US2906206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firing circuit
Assignee: Individual
•
Filing: 1946-09-13
•
Granted: 1959-09-29
•
Expires: 1966-09-13
Abstract
No abstract record available.
Inventors
- 👤 Morison Rodney
- 👤 Walter Van B Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:08
CPC Classifications
F; F42; F42C; F42C11/00; F42C11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2164538A
Cited
US2172050A
Cited
US2331771A
Cited
US2331317A
Cited
GB549998A
Cited
US2514434A
Cited
US2404553A
Cited
US2403567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |