US3081759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring starter for internal combustion engines
Assignee: Individual
•
Filing: 1960-08-19
•
Granted: 1963-03-19
•
Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 Robert J Mauck
- 👤 William P Mauck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:23
CPC Classifications
F; F02; F02N; F02N5/00; F02N5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN COMBINATION, A SPRING STARTER HAVING A HOUSING A SPRING WITHIN SAID HOUSING, A SHAFT ROTATABLY MOUNTED IN SAID HOUSING AND CONNECTED TO SAID SPRING, A CRANK ON SAID SHAFT FOR WINDING SAID SPRING, MEANS FOR RELEASABLY HOLDING SAID SHAFT AGAINST SPRING UNWINDING, A CLUTCH HAVING FIRST AND SECOND ELEMENTS FOR CONNECTING SAID SHAFT TO AN ENGINE CRANKSHAFT, MEANS FOR MOUNTING SAID STARTER HOUSING ON AN ENGINE HOUSING, AND CONNECTING MEANS BETWEEN SAID SHAFT AND ONE OF SAID CLUTCH ELEMENTS, SAID CONNECTING MEANS HAVING A CONTACT AREA OF ADJUSTABLE LENGTH IN THE DIRECTION OF THE STARTER SHAFT AXIS.
Claim 2
Dependent Claim
98 words
IN COMBINATION, A SPRING STARTER HAVING A HOUSING A SPRING WITHIN SAID HOUSING, A SHAFT ROTATABLY MOUNTED IN SAID HOUSING AND CONNECTED TO SAID SPRING, A CRANK ON SAID SHAFT FOR WINDING SAID SPRING, MEANS FOR RELEASABLY HOLDING SAID SHAFT AGAINST SPRING UNWINDING, A CLUTCH HAVING FIRST AND SECOND ELEMENTS FOR CONNECTING SAID SHAFT TO AN ENGINE CRANKSHAFT, MEANS FOR MOUNTING SAID STARTER HOUSING ON AN ENGINE HOUSING, AND CONNECTING MEANS BETWEEN SAID SHAFT AND ONE OF SAID CLUTCH ELEMENTS, SAID CONNECTING MEANS HAVING A CONTACT AREA OF ADJUSTABLE LENGTH IN THE DIRECTION OF THE STARTER SHAFT AXIS.
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |