US2820936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control servosystem for turret punch press
Assignee: WIEDEMANN MACHINE CO
•
Filing: 1951-12-11
•
Granted: 1958-01-21
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Expires: 1971-12-11
Abstract
No abstract record available.
Inventors
- 👤 Rainey Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/0405; B; B21; B21D; B21D28/00; B21D28/02; B21D28/12; B30; B30B; B30B15/00; B30B15/04; B30B15/047; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1090816A
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US1715244A
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US1961156A
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US1957769A
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US2192520A
Cited
US2435522A
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US2436068A
Cited
US2572044A
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US2596698A
Cited
US2515944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |