US3346083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring clutch
Assignee: General Electric Co
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Filing: 1965-12-01
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Granted: 1967-10-10
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Expires: 1985-12-01
Abstract
No abstract record available.
Inventors
- 👤 Bochan John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:13
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/20; F16D41/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A SPRING CLUTCH: (A) A ROTARY INPUT MEMBER, (B) A ROTARY OUTPUT MEMBER INCLUDING A HOLLOW, CYLINDRICAL PORTION MOUNTED AROUND SAID INPUT MEMBER, SAID CYLINDRICAL PORTION BEING INTERNALLY THREADED; (C) A THRUST BEARING MOUNTED ON ONE OF SAID MEMBERS AND A SHOULDER FORMED ON THE OTHER OF SAID MEMBERS, SAID SHOULDER AND SAID BEARING BEING ADAPTED SELECTIVELY FOR ENGAGEMENT; (D) AND AN OPEN-COIL HELICAL SPRING MOUNTED ON SAID INPUT MEMBER, AND RECEIVED WITHIN THE THREAD OF SAID OUTPUT MEMBER;
Claim 2
Dependent Claim
80 words
IN A SPRING CLUTCH: (A) A ROTARY INPUT MEMBER, (B) A ROTARY OUTPUT MEMBER INCLUDING A HOLLOW, CYLINDRICAL PORTION MOUNTED AROUND SAID INPUT MEMBER, SAID CYLINDRICAL PORTION BEING INTERNALLY THREADED; (C) A THRUST BEARING MOUNTED ON ONE OF SAID MEMBERS AND A SHOULDER FORMED ON THE OTHER OF SAID MEMBERS, SAID SHOULDER AND SAID BEARING BEING ADAPTED SELECTIVELY FOR ENGAGEMENT; (D) AND AN OPEN-COIL HELICAL SPRING MOUNTED ON SAID INPUT MEMBER, AND RECEIVED WITHIN THE THREAD OF SAID OUTPUT MEMBER;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |