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US2566690A
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Assignee: Iron Fireman Manufacturing Co
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Filing: 1946-11-26
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Granted: 1951-09-04
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Expires: 1966-11-26
Abstract
No abstract record available.
Inventors
- 👤 Richard C Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:43
CPC Classifications
F; F16; F16D; F16D9/00; F16D9/06; F23; F23K; F23K3/00; F23K3/10; F23K3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB195524A
Cited
US1778477A
Cited
US1914485A
Cited
US1849174A
Cited
US2388186A
Cited
US2394364A
Cited
US2438676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |