US1678798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of and means for effecting power transmission
Assignee: ELECTRO MOTIVE DEVICES Inc
•
Filing: 1923-02-27
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Granted: 1928-07-31
•
Expires: 1943-02-27
Abstract
No abstract record available.
Inventors
- 👤 Asprooth Axel Hj
- 👤 Alfonso M Leoni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:49
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28
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) | 1931-07-31 | 1932-01-30 | 1932-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-07-31 | 1936-01-30 | 1936-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-07-31 | 1940-01-30 | 1940-07-31 | $7700.00 | Window Closed / Lapsed |