Patent US1435832A successfully refreshed from Google Patents.
US1435832A
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Valve-sealing device
Assignee: Individual
•
Filing: 1922-05-25
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Granted: 1922-11-14
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Expires: 1942-05-25
Abstract
No abstract record available.
Inventors
- 👤 Gerald Nicholas H Fitz
- 👤 Oscar J Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:36
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/04; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7062; Y10T137/7069; Y10T137/71; Y10T292/00; Y10T292/48; Y10T292/509; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5624; Y10T70/5628
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) | 1925-11-13 | 1926-05-15 | 1926-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-11-13 | 1930-05-15 | 1930-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-11-13 | 1934-05-15 | 1934-11-14 | $7700.00 | Window Closed / Lapsed |