Patent US2908150A successfully refreshed from Google Patents.
US2908150A
Expired / Lapsed
US
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Flexible shaft coupling structure
Assignee: Individual
•
Filing: 1959-02-17
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Granted: 1959-10-13
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Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Benjamin B Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:00
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72; F16D3/74; F16D1/00; F16D1/06; F16D1/08; F16D1/0847
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1646427A
Cited
US1887876A
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US1733771A
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US1772915A
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US2062575A
Cited
US2297619A
Cited
US2327389A
Cited
US2857749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |