Patent US3028512A successfully refreshed from Google Patents.
US3028512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive released motor brake
Assignee: Manning Maxwell and Moore Inc
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Filing: 1958-07-09
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Granted: 1962-04-03
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Expires: 1978-07-09
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Sorchy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:56
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/102; H02K7/1021; H02K7/1026; H02K7/1028; B; B66; B66D; B66D5/00; B66D2700/00; B66D2700/03
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) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |