US1863448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for rams
Assignee: AMERICAN FLUID MOTORS Co
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Filing: 1929-05-29
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Granted: 1932-06-14
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Expires: 1949-05-29
Abstract
No abstract record available.
Inventors
- 👤 Henry W Landenberger
- 👤 Link Harry Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:37
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/16; B30B15/18
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) | 1935-06-14 | 1935-12-14 | 1936-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-06-14 | 1939-12-14 | 1940-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-06-14 | 1943-12-14 | 1944-06-14 | $7700.00 | Window Closed / Lapsed |