US2791648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive mechanism
Assignee: McGraw Edison Co
•
Filing: 1951-08-09
•
Granted: 1957-05-07
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Expires: 1971-08-09
Abstract
No abstract record available.
Inventors
- 👤 Robert A Maloney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:37
CPC Classifications
F; F16; F16H; F16H27/00; F16H27/04; F16H27/06; H; H01; H01H; H01H3/00; H01H3/32; H01H3/44; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864; Y10T74/19; Y10T74/1987; Y10T74/19879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB382656A
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US2267394A
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US2253183A
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GB629650A
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US2480589A
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US2605647A
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US2693573A
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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) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |