US3039322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable mechanical advantage lever
Assignee: Individual
•
Filing: 1959-02-24
•
Granted: 1962-06-19
•
Expires: 1979-02-24
Abstract
No abstract record available.
Inventors
- 👤 Powrie Noel Carlisle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:56
CPC Classifications
G; G05; G05G; G05G7/00; G05G7/02; G05G7/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/1896; Y10T74/18976; Y10T74/20; Y10T74/20528; Y10T74/20558
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US497090A
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US667094A
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FR588739A
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FR636453A
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US2071658A
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US2112607A
Cited
US2190972A
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US2350866A
Cited
FR1179579A
Cited
US2986428A
Cited
US2977817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |