Patent US2072380A successfully refreshed from Google Patents.
US2072380A
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US
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Power driving device
Assignee: Old Carco LLC
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Filing: 1935-03-23
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Granted: 1937-03-02
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Expires: 1955-03-23
Abstract
No abstract record available.
Inventors
- 👤 Pfeiffer Karl
- 👤 Seth T Foresman
- 👤 Arthur H Fries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:09
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/031; F16H57/0006; F16H57/028; F16H57/03; F16H2057/02013; F16H2057/02039; F16H2057/02043; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19167; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-03-01 | 1940-08-31 | 1941-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-01 | 1944-08-31 | 1945-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-01 | 1948-08-31 | 1949-03-02 | $7700.00 | Window Closed / Lapsed |