Patent US3125894A successfully refreshed from Google Patents.
US3125894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derailer change-speed for mechanisms for cycles
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:59
CPC Classifications
B; B62; B62M; B62M9/00; B62M9/04; B62M9/06; B62M9/10; B62M9/12; B62M9/121; B62M9/124; B62M2009/12413; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A CHANGE-SPEED GEAR MECHANISM OF THE TYPE WHICH IS OPERABLE BY CHAIN DISPLACEMENT, SAID GEAR MECHANISM COMPRISING: A CARRIER LEVER, SAID CARRIER LEVER INCLUDING A SLEEVE BEARING WHICH IS PROVIDED WITH A LONGITUDINAL OPENING, A RECIPROCATING SPINDLE SLIDABLY MOUNTED IN SAID SLEEVE BEARING AND MEANS COUPLING SAID SPINDLE AND SLEEVE BEARING ENABLING AXIAL MOVEMENT OF SAID SPINDLE IN SAID SLEEVE BEARING AND INDEPENDENTLY CONTROLLING RELATIVE ANGULAR MOVEMENT THEREBETWEEN.
Claim 2
Dependent Claim
68 words
A CHANGE-SPEED GEAR MECHANISM OF THE TYPE WHICH IS OPERABLE BY CHAIN DISPLACEMENT, SAID GEAR MECHANISM COMPRISING: A CARRIER LEVER, SAID CARRIER LEVER INCLUDING A SLEEVE BEARING WHICH IS PROVIDED WITH A LONGITUDINAL OPENING, A RECIPROCATING SPINDLE SLIDABLY MOUNTED IN SAID SLEEVE BEARING AND MEANS COUPLING SAID SPINDLE AND SLEEVE BEARING ENABLING AXIAL MOVEMENT OF SAID SPINDLE IN SAID SLEEVE BEARING AND INDEPENDENTLY CONTROLLING RELATIVE ANGULAR MOVEMENT THEREBETWEEN.
References Cited (Backward Citations)
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Cited
US2428166A
Cited
FR920463A
Cited
US2693116A
Cited
US2773398A
Cited
US2689756A
Cited
US2839939A
Cited
US2852289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |