Patent US3122936A successfully refreshed from Google Patents.
US3122936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
dykes
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:33
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/26; F16H61/28; F16H61/32; F16H63/00; F16H63/02; F16H63/30; F16H63/3023; F16H63/304; F16H2063/305; F16H2063/3089; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19247; Y10T74/19251
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A GEAR SHIFTING MECHANISM FOR ACTUATING A PLURALITY OF SHIFTING GEARS COMPRISING: A FRAME, A PLURALITY OF SHAFTS SECURED TO SAID FRAME, A PLURALITY OF GEAR SHIFTERS CONNECTED TO THE SHIFTING GEARS, EACH OF SAID GEAR SHIFTERS MOVABLY MOUNTED ON ONE OF SAID SHAFTS FOR LONGITUDINAL MOVEMENT ALONG SAID SHAFT IN EITHER DIRECTION, NEUTRAL ENGAGING ELEMENTS CONNECTED TO EACH OF SAID GEAR SHIFTERS AND ENGAGEABLE WITH SAID FRAME, SAID NEUTRAL ENGAGING ELEMENTS ENGAGED WITH THE FRAME WHEN THE GEAR SHIFTERS ARE IN NEUTRAL POSITION, A GEAR SHIFTING CARRIAGE MOUNTED FOR LONGITUDINAL MOVEMENT IN EITHER DIRECTION ALONG AT LEAST ONE OF SAID SHAFTS,
Claim 2
Dependent Claim
102 words
A GEAR SHIFTING MECHANISM FOR ACTUATING A PLURALITY OF SHIFTING GEARS COMPRISING: A FRAME, A PLURALITY OF SHAFTS SECURED TO SAID FRAME, A PLURALITY OF GEAR SHIFTERS CONNECTED TO THE SHIFTING GEARS, EACH OF SAID GEAR SHIFTERS MOVABLY MOUNTED ON ONE OF SAID SHAFTS FOR LONGITUDINAL MOVEMENT ALONG SAID SHAFT IN EITHER DIRECTION, NEUTRAL ENGAGING ELEMENTS CONNECTED TO EACH OF SAID GEAR SHIFTERS AND ENGAGEABLE WITH SAID FRAME, SAID NEUTRAL ENGAGING ELEMENTS ENGAGED WITH THE FRAME WHEN THE GEAR SHIFTERS ARE IN NEUTRAL POSITION, A GEAR SHIFTING CARRIAGE MOUNTED FOR LONGITUDINAL MOVEMENT IN EITHER DIRECTION ALONG AT LEAST ONE OF SAID SHAFTS,
References Cited (Backward Citations)
US1363662A
Cited
US1363628A
Cited
US1363629A
Cited
US1363661A
Cited
US1982976A
Cited
US2193432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |