Patent US2355208A successfully refreshed from Google Patents.
US2355208A
Expired / Lapsed
US
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Motor-generator
Assignee: MAGUIRE IND Inc
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Filing: 1943-07-05
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Granted: 1944-08-08
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Expires: 1963-07-05
Abstract
No abstract record available.
Inventors
- 👤 George C Devol
- 👤 Langstroth Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:51
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/02; F02; F02B; F02B33/00; F02B33/32; F02B33/34; F02B33/40; F02B63/00; F02B63/04; F02B77/00; F02B77/11; F02B77/13; F02B63/044; F02B2063/045; F02B2063/046; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1808; F02B63/048
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 |