US2991655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elliptic spring construction for speed switch
Assignee: Motors Liquidation Co
•
Filing: 1956-12-07
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Granted: 1961-07-11
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Expires: 1976-12-07
Abstract
No abstract record available.
Inventors
- 👤 Clarence H Jorgensen
- 👤 Willard T Nickel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:50
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/06; H01H35/10; H01H9/00; H01H9/02; H01H9/0207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US49086A
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US56716A
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US59384A
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US162165A
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GB191016905A
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US1274542A
Cited
US1955102A
Cited
US2168372A
Cited
DE699410C
Cited
US2631025A
Cited
FR1059562A
Cited
US2786667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |