US2632503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular radiant gas burner
Assignee: Standard Oil Development Co
•
Filing: 1948-04-27
•
Granted: 1953-03-24
•
Expires: 1968-04-27
Abstract
No abstract record available.
Inventors
- 👤 Bradford E Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:02
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/12; F23D14/125; F23D14/126; F23D14/46; F23D14/72; F23D14/78; F23D2203/00; F23D2203/10; F23D2203/101; F23D2203/1012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US592915A
Cited
US727091A
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US790265A
Cited
US2105533A
Cited
US2375412A
Cited
US2419336A
Cited
US2408282A
Cited
US2504451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |