Patent US2491900A successfully refreshed from Google Patents.
US2491900A
Expired / Lapsed
US
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Coin controlled mechanism
Assignee: O D Jennings & Co
•
Filing: 1944-06-17
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Granted: 1949-12-20
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Expires: 1964-06-17
Abstract
No abstract record available.
Inventors
- 👤 Mihalek Emery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:50
CPC Classifications
G; G07; G07F; G07F5/00; G07F5/18; G07F5/10; G07F5/14; G07F9/00; G07F9/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1911207A
Cited
US1902467A
Cited
US2262322A
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US2250051A
Cited
US2323255A
Cited
US2271397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |