US1928150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic drive for machine tools
Assignee: Oilgear Co
•
Filing: 1930-09-20
•
Granted: 1933-09-26
•
Expires: 1950-09-20
Abstract
No abstract record available.
Inventors
- 👤 James K Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:22
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/027; B23Q5/033; Y; Y10; Y10T; Y10T408/00; Y10T408/91; Y10T408/93; Y10T408/935; Y10T409/00; Y10T409/50; Y10T409/504756; Y10T409/505248; Y10T409/505412; Y10T409/505576; Y10T409/507872
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) | 1936-09-25 | 1937-03-27 | 1937-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-25 | 1941-03-27 | 1941-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-25 | 1945-03-27 | 1945-09-26 | $7700.00 | Window Closed / Lapsed |