Patent US2745977A successfully refreshed from Google Patents.
US2745977A
Expired / Lapsed
US
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Motor frame structure and brush rigging
Assignee: Bendix Aviation Corp
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Filing: 1952-11-21
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Granted: 1956-05-15
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Expires: 1972-11-21
Abstract
No abstract record available.
Inventors
- 👤 Tesh Kimble Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:20
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/102; H02K7/1021; H02K7/1023; H02K7/1025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US278122A
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US344801A
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US406015A
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US626496A
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DE322989C
Cited
US2234926A
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US2279982A
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US2329151A
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US2629061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |