US2587408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal
Assignee: Individual
•
Filing: 1946-01-19
•
Granted: 1952-02-26
•
Expires: 1966-01-19
Abstract
No abstract record available.
Inventors
- 👤 Trask Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:46
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3404; F16J15/3408; F16J15/3412; F16J15/3416; D; D01; D01H; D01H7/00; D01H7/02; D01H7/04; D01H7/045; D01H7/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE112879C
Cited
US664445A
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US1204063A
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US1545080A
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US1877688A
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US2264983A
Cited
US2192588A
Cited
US2243227A
Cited
US2237494A
Cited
US2365351A
Cited
US2422007A
Cited
US2397486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |