Patent US2873039A successfully refreshed from Google Patents.
US2873039A
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US
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Assignee: ADAMS POWEL EQUIPMENT Ltd
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Filing: 1956-04-30
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Granted: 1959-02-10
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Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Powel William Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:40
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65B; B65B51/00; B65B51/04; B65B51/06; B65B51/067; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2052903A
Cited
US2407641A
Cited
US2538520A
Cited
US2721669A
Cited
US2721670A
Cited
US2787396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |