US2766497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical leverage augmenter
Assignee: Aerol Co Inc
•
Filing: 1952-04-07
•
Granted: 1956-10-16
•
Expires: 1972-04-07
Abstract
No abstract record available.
Inventors
- 👤 Noyes Hazlehurst Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:31
CPC Classifications
B; B22; B22C; B22C19/00; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53835; Y10T74/00; Y10T74/18; Y10T74/18992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1862551A
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US1865244A
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US2033036A
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US2265589A
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US2589096A
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US2507664A
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US2658393A
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US2477368A
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US2439854A
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US2565829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |