US2373046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure relief valve
Assignee: GLASCOTE PRODUCTS Inc
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Filing: 1942-08-15
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Granted: 1945-04-03
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Expires: 1962-08-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry C Osborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:37
CPC Classifications
F; F16; F16K; F16K24/00; F16K15/00; F16K15/14; F16K15/148; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7777; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/7853; Y10T137/7879; Y10T137/7888; Y10T137/789; Y10T137/7897; Y10T137/7904; 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) | 1948-04-02 | 1948-10-02 | 1949-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-02 | 1952-10-02 | 1953-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-02 | 1956-10-02 | 1957-04-03 | $7700.00 | Window Closed / Lapsed |