US2565954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved closure for vessel with fluid under pressure, having manually operated valve actuator
Assignee: Gaspray Corp
•
Filing: 1946-02-23
•
Granted: 1951-08-28
•
Expires: 1966-02-23
Abstract
No abstract record available.
Inventors
- 👤 Anthony R Dey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:04
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/48; B67; B67D; B67D1/00; B67D1/04; B67D1/0456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US711458A
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US1018193A
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US1274915A
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US1742605A
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US1832570A
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GB366626A
Cited
DE598068C
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US1941898A
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GB413220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |