Patent US2089277A successfully refreshed from Google Patents.
US2089277A
Expired / Lapsed
US
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Steel motor
Assignee: International Motor Co
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Filing: 1934-10-26
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Granted: 1937-08-10
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Expires: 1954-10-26
Abstract
No abstract record available.
Inventors
- 👤 Loeffler Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:57
CPC Classifications
F; F02; F02F; F02F7/00; F02F7/0021; F02F7/0034
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) | 1940-08-09 | 1941-02-08 | 1941-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-09 | 1945-02-08 | 1945-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-09 | 1949-02-08 | 1949-08-10 | $7700.00 | Window Closed / Lapsed |