US2232901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: MORGAN SMITH S CO
•
Filing: 1939-06-23
•
Granted: 1941-02-25
•
Expires: 1959-06-23
Abstract
No abstract record available.
Inventors
- 👤 Eugene C Brisbane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:30
CPC Classifications
F; F04; F04D; F04D15/00; F04D15/0077
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) | 1944-02-25 | 1944-08-26 | 1945-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-02-25 | 1948-08-26 | 1949-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-02-25 | 1952-08-26 | 1953-02-25 | $7700.00 | Window Closed / Lapsed |