Patent US1842902A successfully refreshed from Google Patents.
US1842902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Jas P Marsh & Co
•
Filing: 1928-12-06
•
Granted: 1932-01-26
•
Expires: 1948-12-06
Abstract
No abstract record available.
Inventors
- 👤 Guy S Faber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:33
CPC Classifications
F; F16; F16K; F16K43/00; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6065; Y10T137/8593; Y10T137/87917; Y10T137/88062
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1935-01-25 | 1935-07-27 | 1936-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-01-25 | 1939-07-27 | 1940-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-01-25 | 1943-07-27 | 1944-01-26 | $7700.00 | Window Closed / Lapsed |