US2701496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic feed mechanism
Assignee: Blaw Knox Co
•
Filing: 1949-08-24
•
Granted: 1955-02-08
•
Expires: 1969-08-24
Abstract
No abstract record available.
Inventors
- 👤 Bert A Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:57
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2533; Y10T82/2541; Y10T82/2543
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1334335A
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US2544749A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |