Patent US2916022A successfully refreshed from Google Patents.
US2916022A
Expired / Lapsed
US
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Air interlock control for gas burning apparatus
Assignee: Clayton Manufacturing Co
•
Filing: 1951-04-17
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Granted: 1959-12-08
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Expires: 1971-04-17
Abstract
No abstract record available.
Inventors
- 👤 Arant Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:51
CPC Classifications
F; F23; F23N; F23N1/00; F23N1/02; F23N5/00; F23N5/02; Y; Y10; Y10T; Y10T137/00; Y10T137/1407
Claims Analysis
Total Claims: 0
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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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |