US2504162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firing mechanism
Assignee: Individual
•
Filing: 1945-07-10
•
Granted: 1950-04-18
•
Expires: 1965-07-10
Abstract
No abstract record available.
Inventors
- 👤 Louis J Rhein
- 👤 Owen D Hoopes
- 👤 Summerbell Edith May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:47
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/57; F41A19/06; F41A19/25; F41A19/27; F41A19/29; F41A19/36; F41A19/37; F41A19/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US90323A
Cited
US240369A
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US370657A
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US610110A
Cited
US1303638A
Cited
US1310887A
Cited
US800663A
Cited
US1080268A
Cited
US1865560A
Cited
US2311989A
Cited
US2366758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |