US2097585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for pressure cookers, sterilizers and the like
Assignee: BURPEE CAN SEALER Co
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Filing: 1936-02-13
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Granted: 1937-11-02
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Expires: 1956-02-13
Abstract
No abstract record available.
Inventors
- 👤 Robert H Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:16
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/09; F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K17/00; F16K17/02; F16K17/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/7722; Y10T137/7737; Y10T137/7837; Y10T137/7904; Y10T137/7905; Y10T137/7922; Y10T137/7929; Y10T137/7932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-11-01 | 1941-05-03 | 1941-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-11-01 | 1945-05-03 | 1945-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-11-01 | 1949-05-03 | 1949-11-02 | $7700.00 | Window Closed / Lapsed |