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US2703583A
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US
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Valve for compressors
Assignee: Individual
•
Filing: 1949-05-24
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Granted: 1955-03-08
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Expires: 1969-05-24
Abstract
No abstract record available.
Inventors
- 👤 Seligman Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:22
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/08; F16K15/10; F04; F04B; F04B39/00; F04B39/10; F04B39/1053; F16K15/025; F16K15/026; F16K15/028; F16K2200/00; F16K2200/30; F16K2200/302; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7559; Y10T137/7722; Y10T137/7837; Y10T137/7859; Y10T137/786; Y10T137/7861; Y10T137/7862; Y10T137/7863; Y10T137/7864; Y10T137/7904; Y10T137/7905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
DE166176C
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US402647A
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US1563144A
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US1669424A
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US2035776A
Cited
US2222550A
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GB484139A
Cited
GB487926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |