US2926885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass needle valve
Assignee: RAY GLASS Ltd
•
Filing: 1954-08-02
•
Granted: 1960-03-01
•
Expires: 1974-08-02
Abstract
No abstract record available.
Inventors
- 👤 Nicholas A Szulc
- 👤 Pugi Kalev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:34
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/22; F16K3/24; F16K27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US851370A
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US867780A
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US1027136A
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US1538346A
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US2037873A
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DE625102C
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US2084397A
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US2304491A
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US2594611A
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US2412597A
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FR930786A
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US2796887A
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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) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |