US3021962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crane control operating mechanism
Assignee: Manning Maxwell and Moore Inc
•
Filing: 1958-08-07
•
Granted: 1962-02-20
•
Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 John E Minty
- 👤 Jr Howard C Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:09
CPC Classifications
B; B66; B66C; B66C7/00; B66C2700/00; B66C2700/01; B66C2700/012; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18968; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20408; Y10T74/2042; Y10T74/20426
Claims Analysis
Total Claims: 0
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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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |