US2088771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic machine
Assignee: MORGAN SMITH S CO
•
Filing: 1936-11-04
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Granted: 1937-08-03
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Expires: 1956-11-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:27
CPC Classifications
F; F03; F03B; F03B3/00; F03B3/12; F03B3/14; Y; Y02; Y02E; Y02E10/00; Y02E10/20
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) | 1940-08-02 | 1941-02-01 | 1941-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-02 | 1945-02-01 | 1945-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-02 | 1949-02-01 | 1949-08-03 | $7700.00 | Window Closed / Lapsed |