Patent US2583968A successfully refreshed from Google Patents.
US2583968A
Expired / Lapsed
US
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Pusher mechanism
Assignee: AJAX ELECTRIC Co Inc
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Filing: 1948-07-28
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Granted: 1952-01-29
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Expires: 1968-07-28
Abstract
No abstract record available.
Inventors
- 👤 Rosseau Leon Bidwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:03
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/34; C21D1/44; C21D1/46; F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B9/2461; F27D; F27D3/00; F27B2009/2492; F27D2003/0001; F27D2003/0002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US291987A
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US729540A
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US1285750A
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US1299624A
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DE368991C
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US1675795A
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US1775121A
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US1920417A
Cited
US1921592A
Cited
GB391935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |