US2709928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed transmission
Assignee: Giddings and Lewis LLC
•
Filing: 1951-01-31
•
Granted: 1955-06-07
•
Expires: 1971-01-31
Abstract
No abstract record available.
Inventors
- 👤 Gordon H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:00
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H61/00; F16H61/02; F16H61/0202; F16H2200/00; F16H2200/003; F16H2200/0043; F16H2716/00; F16H2716/08; F16H61/68; F16H61/684; F16H61/686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB416331A
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US2391333A
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US2389177A
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US2540639A
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US2492041A
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US2558840A
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US2583556A
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US2549738A
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US2544360A
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US2612248A
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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) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |