Patent US4596990A successfully refreshed from Google Patents.
Patent US3334255A successfully refreshed from Google Patents.
US3334255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor
Assignee: Individual
•
Filing: 1965-02-19
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Granted: 1967-08-01
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Expires: 1985-02-19
Abstract
No abstract record available.
Inventors
- 👤 Robert W Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:27
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/32; H02K3/34; H02K3/345
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
A SLOT LINER FOR A DYNAMO-ELECTRIC MACHINE, SAID LINER BEING OF RESILIENTLY FLEXIBLE MATERIAL AND COMPRISING A BASE PORTION, A PAIR OF ARMS EXTENDING RESPECTIVELY FROM THE ENDS OF SAID BASE PORTION, CURVED PORTIONS EXTENDING RESPECTIVELY FROM THE FREE ENDS OF EACH OF SAID ARMS, SAID CURVED PORTIONS EXTENDING TOWARD EACH OTHER THROUGH AN ARC OF AT LEAST NINETY DEGREES, AND A DIVIDER EXTENDING INTERMEDIATE SAID ARMS FROM ONE OF SAID BASE PORTION AND SAID ARMS AND HAVING, AT THE OUTER END THEREOF, AN ENLARGED HEAD WITH CONCAVE UNDERSURFACES RESPECTIVELY ENGAGEABLE BY SAID CURVED PORTIONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |