US2850795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for securing laminations to a shaft
Assignee: Motors Liquidation Co
•
Filing: 1952-03-22
•
Granted: 1958-09-09
•
Expires: 1972-03-22
Abstract
No abstract record available.
Inventors
- 👤 Charles A Nichols
- 👤 George L Weiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:02
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/02; H02K15/028; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53026; Y10T29/53039; Y10T29/53061; Y10T29/53065; Y10T29/5313; Y10T29/53143; Y10T29/53161; Y10T29/5317; Y10T29/53539; Y10T29/53543
Claims Analysis
Total Claims: 0
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US2421115A
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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) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |