US2054296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplex broaching machine
Assignee: Oilgear Co
•
Filing: 1935-02-08
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Granted: 1936-09-15
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Expires: 1955-02-08
Abstract
No abstract record available.
Inventors
- 👤 Wesley P Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:28
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/06; B23Q2705/00; B23Q2705/02; B23Q2705/04; B23Q2705/046; Y; Y10; Y10T; Y10T409/00; Y10T409/40; Y10T409/406475; Y10T409/40665
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) | 1939-09-15 | 1940-03-16 | 1940-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-09-15 | 1944-03-16 | 1944-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-09-15 | 1948-03-16 | 1948-09-15 | $7700.00 | Window Closed / Lapsed |