US2775409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: JOHN WALDRON Corp
•
Filing: 1953-02-10
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Granted: 1956-12-25
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Expires: 1973-02-10
Abstract
No abstract record available.
Inventors
- 👤 Anthony W Pomper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:32
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/18; B65H19/1805; B65H19/181; B65H19/1821; B65H19/1884; B65H19/1894; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4171; B65H2301/4173; B65H2301/41734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1856341A
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Cited
US1966525A
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US2047813A
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US2334160A
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US2486006A
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US2582820A
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US2703681A
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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) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |