US2144335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure work feed
Assignee: Peerless Machine Co
•
Filing: 1937-03-06
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Granted: 1939-01-17
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Expires: 1957-03-06
Abstract
No abstract record available.
Inventors
- 👤 Otto M Jensen
- 👤 Frank T Wruk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:46
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/16; B23Q7/00; B23Q7/04; B23Q7/041; B23Q7/042; Y; Y10; Y10T; Y10T408/00; Y10T408/47; Y10T408/476; Y10T83/00; Y10T83/444; Y10T83/4458; Y10T83/446; Y10T83/566; Y10T83/5669; Y10T83/5715; Y10T83/626; Y10T83/637
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) | 1942-01-16 | 1942-07-18 | 1943-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-16 | 1946-07-18 | 1947-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-16 | 1950-07-18 | 1951-01-17 | $7700.00 | Window Closed / Lapsed |