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US1741672A
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Assignee: MOTOR IMPROVEMENTS Inc
•
Filing: 1927-05-07
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Granted: 1929-12-31
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Expires: 1947-05-07
Abstract
No abstract record available.
Inventors
- 👤 George A Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:22
CPC Classifications
H; H02; H02P; H02P1/00; H02P1/16; H02P1/18; H02P1/20; B; B01; B01D; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/21; B01D29/213; B01D29/88; B01D29/90; B01D29/902; B01D35/00; B01D35/14; B01D35/147; B01D2201/00; B01D2201/04; B01D2201/0461
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) | 1932-12-30 | 1933-07-01 | 1933-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-12-30 | 1937-07-01 | 1937-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-12-30 | 1941-07-01 | 1941-12-31 | $7700.00 | Window Closed / Lapsed |