US2441750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: TAYLOR BRITTON
•
Filing: 1945-06-06
•
Granted: 1948-05-18
•
Expires: 1965-06-06
Abstract
No abstract record available.
Inventors
- 👤 Charles A Britton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:08
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1803058A
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DE499033C
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US1884356A
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US2239135A
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US2178369A
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US2302137A
Cited
US2256454A
Cited
US2339120A
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US2368122A
Cited
US2386759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |