US3206236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque coupling
Assignee: Ledex Inc
•
Filing: 1962-07-03
•
Granted: 1965-09-14
•
Expires: 1982-07-03
Abstract
No abstract record available.
Inventors
- 👤 Jerome P Darling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:59
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/64; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US647357A
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US1177780A
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US1264042A
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US1803136A
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US1735910A
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US2301244A
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US2403494A
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FR918504A
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US2649884A
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US2615643A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |