Patent US3684352A successfully refreshed from Google Patents.
US3684352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiochromic combined absorbing reflecting and transmitting structure
Assignee: Individual
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Filing: 1971-01-11
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Granted: 1972-08-15
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Expires: 1991-01-11
Abstract
Abstract The shade is a combined heat reflecting, light transmitting, absorbing, and thermal insulating shade which is contoured in a regular repetitive geometric pattern such that one face of the shade can be exposed to the sun, in a manner to position certain areas so that they become show areas which receive direct solar radiations, and to position contiguous areas relative to the show areas so that they become underlay areas which are shaded by the adjacent show areas and receive only indirect solar radiations. The shade is normally transparent photo-chromic material which, when subjected to direct solar radiation, changes color and loses its transparency to a degree depending upon the intensity of the direct radiation, and which, under high intensity direct sunlight, becomes substantially opaque.
Inventors
- 👤 Sergius N Ferris Luboshez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:27
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/22; G02B5/23
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
150 words
A radiant energy shade comprising: a sheet of material contoured in a regular repetitive geometric pattern to provide predetermined show areas and predetermined underlay areas such that, when one face of the sheet is exposed in a predetermined position relative to a predetermined source of radiations, the show areas of that face receive the direct rays emitted from the source; and said show areas are positioned to lie in ray intercepting position between the source and said underlay areas of said face contiguous to the show areas, respectively; characterized in that said show areas are radiochromic so that they normally admit indirect reflected and diffused rays from the source, but darken upon exposure to direct rays from the source, and thereby the show areas exposed to the direct rays shade said contiguous underlay areas from the direct rays to different degrees depending upon the radiochromic response of the show areas.
Claim 2
Dependent Claim
150 words
A radiant energy shade comprising: a sheet of material contoured in a regular repetitive geometric pattern to provide predetermined show areas and predetermined underlay areas such that, when one face of the sheet is exposed in a predetermined position relative to a predetermined source of radiations, the show areas of that face receive the direct rays emitted from the source; and said show areas are positioned to lie in ray intercepting position between the source and said underlay areas of said face contiguous to the show areas, respectively; characterized in that said show areas are radiochromic so that they normally admit indirect reflected and diffused rays from the source, but darken upon exposure to direct rays from the source, and thereby the show areas exposed to the direct rays shade said contiguous underlay areas from the direct rays to different degrees depending upon the radiochromic response of the show areas.
Claim 3
Dependent Claim
40 words
A shade according to claim 1 wherein the show areas normally are relatively clear and photochromic so as to darken when exposed to direct solar radiation, but to remain clear when subjected only to indirect and reflected diffused solar light.
Claim 4
Dependent Claim
19 words
A shade according to claim 2 wherein limited portions of the show areas are coated additionally with opaque material.
Claim 5
Dependent Claim
22 words
A shade according to claim 1 wherein the repetitive geometric pattern is provided by a succession of parallel pleats of the sheet.
Claim 6
Dependent Claim
14 words
A shade according to claim 1 wherein the sheet is of resiliently flexible material.
Claim 7
Dependent Claim
13 words
A shade according to claim 1 wherein the sheet is of rigid material.
Claim 8
Dependent Claim
23 words
A shade according to claim 1 wherein the radiochromic material is one which is responsive to intense luminous energy emanating from said source.
Claim 9
Dependent Claim
23 words
A shade according to claim 1 wherein the radiochromic material is one which is responsive to intense thermal energy emanating from said source.
Claim 10
Dependent Claim
14 words
A shade according to claim 1 wherein the entire sheet of material is radiochromic.
Claim 11
Dependent Claim
109 words
A radiant energy shade comprising: a body contoured to provide a group of separate and distinct show surface areas and a group of separate and distinct underlay areas, the group of show areas being arranged relative to the body so that the body can be positioned to expose the group of show areas concurrently directly to radiations from a predetermined source, and further being arranged relative to the group of underlay areas so that, when the body is so positioned, the group of show areas lie between the source and the group of underlay areas; characterized in that the areas of at least one of said groups are radiochromic.
Claim 12
Dependent Claim
109 words
A radiant energy shade comprising: a body contoured to provide a group of separate and distinct show surface areas and a group of separate and distinct underlay areas, the group of show areas being arranged relative to the body so that the body can be positioned to expose the group of show areas concurrently directly to radiations from a predetermined source, and further being arranged relative to the group of underlay areas so that, when the body is so positioned, the group of show areas lie between the source and the group of underlay areas; characterized in that the areas of at least one of said groups are radiochromic.
Claim 13
Dependent Claim
16 words
A shade according to claim 10 characterized in that the show areas are the radiochromic areas.
Claim 14
Dependent Claim
18 words
A shade according to claim 10 characterized in that both the show areas and underlay areas are radiochromic.
Claim 15
Dependent Claim
18 words
A shade according to claim 10 characterized in that the body is radiochromic material of generally uniform thickness.
Claim 16
Dependent Claim
33 words
A shade according to claim 13 characterized in that the body is a thin sheet of photochromic material which normally transmits diffused sunlight, but darkens when subjected to direct rays of the sun.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |