Patent US1244207A successfully refreshed from Google Patents.
US1244207A
Expired / Lapsed
US
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Generator drive mechanism.
Assignee: International Motor Co
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Filing: 1917-06-25
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Granted: 1917-10-23
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Expires: 1937-06-25
Abstract
No abstract record available.
Inventors
- 👤 Alexander Griswold Herreshoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:28
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/18; H02K7/1807; H02K7/1853; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19112; Y10T74/19642; Y10T74/19688
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) | 1920-10-22 | 1921-04-23 | 1921-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-10-22 | 1925-04-23 | 1925-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-10-22 | 1929-04-23 | 1929-10-23 | $7700.00 | Window Closed / Lapsed |