US2861536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for handwheel assembly
Assignee: Rockwell Manufacturing Co
•
Filing: 1957-03-27
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Granted: 1958-11-25
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Expires: 1977-03-27
Abstract
No abstract record available.
Inventors
- 👤 Emil P Polivka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:49
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/38; B23Q5/40; Y; Y10; Y10S; Y10S116/00; Y10S116/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2055488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |