Patent US4399892A successfully refreshed from Google Patents.
US3078751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft positioning apparatus
Assignee: Individual
•
Filing: 1961-12-07
•
Granted: 1963-02-26
•
Expires: 1981-12-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:29
CPC Classifications
B; B23; B23D; B23D36/00; B23D36/0008; B23D36/0033; B23D36/0058; B23D36/0066; Y; Y10; Y10T; Y10T83/00; Y10T83/141; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4667; Y10T83/4676; Y10T83/525; Y10T83/527; Y10T83/528; Y10T83/869; Y10T83/8691; Y10T83/8694
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN COMBINATION WITH AN ELECTRICALLY CONTROLLED CLUTCH AND BRAKE ARRANGEMENT DESIGNED TO ROTATE A CRANKSHAFT OR THE LIKE FROM A STARTING POINT THROUGH A SINGLE REVOLUTION IN RESPONSE TO ACTUATION OF SWITCH MEANS; THE IMPROVEMENT OF MEANS FOR COMPENSATING FOR ANGULAR DISPLACEMENT OF THE SHAFT FROM SAID STARTING POINT WHEN THE SWITCH MEANS IS ACTUATED COMPRISING A RADIAL PROJECTION ON SAID SHAFT, TIME DELAY MECHANISM ENGAGEABLE WITH SAID PROJECTION AND HAVING A TIME DELAY PERIOD DEPENDENT ONLY UPON THE ANGULAR DISPLACEMENT OF THE SHAFT FROM SAID STARTING POINT, AND CIRCUIT MEANS INCLUDING A SWITCH OPERABLE BY THE TIME DELAY MECHANISM AFTER ITS TIME DELAY
Claim 2
Dependent Claim
104 words
IN COMBINATION WITH AN ELECTRICALLY CONTROLLED CLUTCH AND BRAKE ARRANGEMENT DESIGNED TO ROTATE A CRANKSHAFT OR THE LIKE FROM A STARTING POINT THROUGH A SINGLE REVOLUTION IN RESPONSE TO ACTUATION OF SWITCH MEANS; THE IMPROVEMENT OF MEANS FOR COMPENSATING FOR ANGULAR DISPLACEMENT OF THE SHAFT FROM SAID STARTING POINT WHEN THE SWITCH MEANS IS ACTUATED COMPRISING A RADIAL PROJECTION ON SAID SHAFT, TIME DELAY MECHANISM ENGAGEABLE WITH SAID PROJECTION AND HAVING A TIME DELAY PERIOD DEPENDENT ONLY UPON THE ANGULAR DISPLACEMENT OF THE SHAFT FROM SAID STARTING POINT, AND CIRCUIT MEANS INCLUDING A SWITCH OPERABLE BY THE TIME DELAY MECHANISM AFTER ITS TIME DELAY
References Cited (Backward Citations)
US2065820A
Cited
US2133542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |