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US2596534A
Expired / Lapsed
US
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Sheetsxsheet i
Assignee: —
•
Filing: —
•
Granted: 1952-05-13
•
Expires: 1969-05-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:18
CPC Classifications
F; F16; F16K; F16K47/00; F16K47/04; F16K47/045; F16K5/00; F16K5/08; F16K5/12; F16K5/06; F16K5/0605; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86509; Y10T137/86718; Y10T137/86759; Y10T137/86791; Y10T137/86799; Y10T137/86807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1405833A
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US1589224A
Cited
US1679257A
Cited
US1754138A
Cited
US1859876A
Cited
US1998239A
Cited
DE626444C
Cited
US2081878A
Cited
US2106340A
Cited
US2270641A
Cited
US2380631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |