US2565094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid compressor valve
Assignee: Individual
•
Filing: 1945-02-03
•
Granted: 1951-08-21
•
Expires: 1965-02-03
Abstract
No abstract record available.
Inventors
- 👤 Albert E Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:55
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/224; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7773; Y10T137/7774; Y10T137/7775
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB424676A
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US2022599A
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FR812483A
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US2101772A
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US2217461A
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US2166742A
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US2291056A
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US2374235A
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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) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |