Patent US2615463A successfully refreshed from Google Patents.
US2615463A
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Fluid pressure apparatus and valve means therefor
Assignee: Individual
•
Filing: 1945-11-14
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Granted: 1952-10-28
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Expires: 1965-11-14
Abstract
No abstract record available.
Inventors
- 👤 Henry L Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:27
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/02; A61; A61H; A61H23/00; A61H23/04; A61M; A61M16/00; A61M16/20; A61M16/201; A61M16/207; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2554; Y10T137/7722; Y10T137/7738; Y10T137/7781; Y10T137/7832; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413; Y10T137/86493; Y10T137/86839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2028101A
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US2418034A
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US2473416A
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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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |