Patent US2449905A successfully refreshed from Google Patents.
US2449905A
Expired / Lapsed
US
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Power unit
Assignee: Old Carco LLC
•
Filing: 1942-11-02
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Granted: 1948-09-21
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Expires: 1962-11-02
Abstract
No abstract record available.
Inventors
- 👤 Delbert L Lotts
- 👤 Roy T Bucy
- 👤 Harold E Waldron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:28
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/12; F16H29/14; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1505; Y10T74/1506
Claims Analysis
Total Claims: 0
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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) | 1951-09-21 | 1952-03-22 | 1952-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-21 | 1956-03-22 | 1956-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-21 | 1960-03-22 | 1960-09-21 | $7700.00 | Window Closed / Lapsed |