Patent US2699776A successfully refreshed from Google Patents.
US2699776A
Expired / Lapsed
US
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Valve for surgical appliances
Assignee: Individual
•
Filing: 1952-01-07
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Granted: 1955-01-18
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Expires: 1972-01-07
Abstract
No abstract record available.
Inventors
- 👤 William H Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:44
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/04; A; A61; A61J; A61J1/00; A61J1/14; A61J1/1406; A61J1/1412; A61J1/1475; A61J1/1468; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US506991A
Cited
US587109A
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US1004405A
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US2088632A
Cited
US2466098A
Cited
US2410546A
Cited
US2639118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |