Patent US3122197A successfully refreshed from Google Patents.
US3122197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant burner
Assignee: CALORIC APPLIANCE CORP
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Filing: 1961-06-28
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Granted: 1964-02-25
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Expires: 1981-06-28
Abstract
No abstract record available.
Inventors
- 👤 Saponara Domenick
- 👤 Wayne T Kemp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:43
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/08; F24C3/085; F24C3/087; F23; F23D; F23D14/00; F23D14/12; F23D14/14; F23D14/145; F23D2211/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A RADIANT BURNER COMPRISING A CASTING DEFINING A CAVITY, ONE SIDE OF SAID CASTING HAVING AN OPENING FORMED THEREIN, THE REMAINING SURFACE OF SAID SIDE DEFINING A FLAT RIM SURROUNDING SAID OPENING, A VENTURI TUBE CONNECTED, IN FLUID FLOW RELATION, TO THE INTERIOR OF SAID CAVITY TO CONVEY GAS AND AIR THEREINTO, A FIRST FLAT, FORAMINOUS MEMBER COVERING SAID OPENING, A SECOND, FLEXIBLE, FORAMINOUS, COMBUSTION-SUSTAINING MEMBER INCLUDING A CENTRAL PORTION WHICH OVERLIES SAID OPENING AND THE CORRESPONDING PORTION OF SAID FIRST MEMBER, SAID CENTRAL PORTION BEING FABRICATED TO PROVIDE A NUMBER OF PARALLEL, U-SHAPED FORMATIONS WHICH COVER SAID OPENING, THE BIGHT PORTIONS OF SOME OF SAID U-SHAPED FORMATIONS HAVING SUBSTANTIALLY LINE CONTACT WITH SAID FIRST MEMBER, THE BIGHT PORTIONS OF THE REMAINING U-SHAPED FORMATIONS OF SAID CENTRAL PORTION BEING TANGENT TO A PLANE SPACED FROM, AND PARALLEL TO, THE PLANE OF SAID FIRST MEMBER, THE DISTANCE BETWEEN SAID PLANES BEING GREATER THAN THE COMBINED THICKNESS OF SAID FIRST AND SECOND MEMBERS, AND MEANS DETACHABLY CLAMPING THE PERIPHERIES OF BOTH OF SAID SCREENS TO SAID RIM.
Claim 2
Dependent Claim
175 words
A RADIANT BURNER COMPRISING A CASTING DEFINING A CAVITY, ONE SIDE OF SAID CASTING HAVING AN OPENING FORMED THEREIN, THE REMAINING SURFACE OF SAID SIDE DEFINING A FLAT RIM SURROUNDING SAID OPENING, A VENTURI TUBE CONNECTED, IN FLUID FLOW RELATION, TO THE INTERIOR OF SAID CAVITY TO CONVEY GAS AND AIR THEREINTO, A FIRST FLAT, FORAMINOUS MEMBER COVERING SAID OPENING, A SECOND, FLEXIBLE, FORAMINOUS, COMBUSTION-SUSTAINING MEMBER INCLUDING A CENTRAL PORTION WHICH OVERLIES SAID OPENING AND THE CORRESPONDING PORTION OF SAID FIRST MEMBER, SAID CENTRAL PORTION BEING FABRICATED TO PROVIDE A NUMBER OF PARALLEL, U-SHAPED FORMATIONS WHICH COVER SAID OPENING, THE BIGHT PORTIONS OF SOME OF SAID U-SHAPED FORMATIONS HAVING SUBSTANTIALLY LINE CONTACT WITH SAID FIRST MEMBER, THE BIGHT PORTIONS OF THE REMAINING U-SHAPED FORMATIONS OF SAID CENTRAL PORTION BEING TANGENT TO A PLANE SPACED FROM, AND PARALLEL TO, THE PLANE OF SAID FIRST MEMBER, THE DISTANCE BETWEEN SAID PLANES BEING GREATER THAN THE COMBINED THICKNESS OF SAID FIRST AND SECOND MEMBERS, AND MEANS DETACHABLY CLAMPING THE PERIPHERIES OF BOTH OF SAID SCREENS TO SAID RIM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |