US2630718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable-speed mechanism
Assignee: SIDNEY MACHINE TOOL Co
•
Filing: 1949-07-19
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Granted: 1953-03-10
•
Expires: 1969-07-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Dickas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:49
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H61/0274; F16H2708/00; F16H2708/24; F16H2708/28; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19279; Y10T74/19377; Y10T74/19386; Y10T74/194; Y10T74/20; Y10T74/20012; Y10T74/20018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858491A
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US1991349A
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US1975060A
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US2056792A
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US2106731A
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FR813617A
Cited
GB526523A
Cited
US2331704A
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US2365571A
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US2466814A
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US2434051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |