US2499093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling
Assignee: CHRISTIANE GANNA FAST
•
Filing: 1944-03-31
•
Granted: 1950-02-28
•
Expires: 1964-03-31
Abstract
No abstract record available.
Inventors
- 👤 Frederich W C Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:52
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316563A
Cited
US1376504A
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US1682721A
Cited
US1693765A
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US2067109A
Cited
US2101078A
Cited
GB486917A
Cited
GB494978A
Cited
DE693455C
Cited
DE700247C
Cited
US2332068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |