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US2355175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor
Assignee: McGraw Electric Co
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Filing: 1942-08-21
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Granted: 1944-08-08
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Expires: 1962-08-21
Abstract
No abstract record available.
Inventors
- 👤 Bror G Olving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:38
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/14; H02K7/145; H02K17/00; H02K17/02; H02K17/04; H02K17/10
Claims Analysis
Total Claims: 0
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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) | 1947-08-08 | 1948-02-07 | 1948-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-08 | 1952-02-07 | 1952-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-08 | 1956-02-07 | 1956-08-08 | $7700.00 | Window Closed / Lapsed |