Patent US3633294A successfully refreshed from Google Patents.
US3633294A
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US
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Assignee: Individual
•
Filing: 1968-01-08
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Granted: 1972-01-11
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Expires: 1988-01-08
Abstract
Abstract A patch of paper or cloth adapted to be attached to a fabric material, one portion of the face thereof having a soil receptive surface and another portion of the face thereof having a soil resistant surface.
Inventors
- 👤 Warren L Burmeister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:13
CPC Classifications
D; D06; D06F; D06F93/00; D06F93/005; A; A41; A41D; A41D27/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
81 words
A soil indicating patch of a pliant material in the nature of paper and cloth adapted to be attached to the surface of a fabric to indicate the soiling thereof having a rough soil-receptive area and a smooth soil-resistant area on that side thereof other than the side of attachment of substantially the same light color when clean, said areas being sufficiently near each other to permit ready visual comparison, and means for securing said side of attachment to a fabric.
Claim 2
Dependent Claim
81 words
A soil indicating patch of a pliant material in the nature of paper and cloth adapted to be attached to the surface of a fabric to indicate the soiling thereof having a rough soil-receptive area and a smooth soil-resistant area on that side thereof other than the side of attachment of substantially the same light color when clean, said areas being sufficiently near each other to permit ready visual comparison, and means for securing said side of attachment to a fabric.
Claim 3
Dependent Claim
21 words
The combination as set forth in claim 1 wherein said securing means comprises an adhesive on the back of said patch.
Claim 4
Independent Claim
47 words
A method for determining the soiling of a fabric which comprises attaching to said fabric a sheet of material having a soil-collecting area and a soil-resistant area on the outside surface thereof, and areas having substantially the same light color, and comparing said areas for contrast periodically.
Claim 5
Independent Claim
47 words
A method for determining the soiling of a fabric which comprises attaching to said fabric a sheet of material having a soil-collecting area and a soil-resistant area on the outside surface thereof, and areas having substantially the same light color, and comparing said areas for contrast periodically.
Claim 6
Dependent Claim
20 words
The method as set forth in claim 3 wherein said soil-collecting area is smooth and said soil-resistant area is rough.
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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |