US1567622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner
Assignee: OHIO FOUNDRY AND Manufacturing CO
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Filing: 1925-02-24
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Granted: 1925-12-29
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Expires: 1945-02-24
Abstract
No abstract record available.
Inventors
- 👤 Alexander B Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:53
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/72; F23D14/78; F23D14/02; F23D14/04; F23D14/10; F23D14/105; F23D14/48; F23D14/58; F23D14/583; F23D14/586
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-12-28 | 1929-06-29 | 1929-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-28 | 1933-06-29 | 1933-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-28 | 1937-06-29 | 1937-12-29 | $7700.00 | Window Closed / Lapsed |