US1300236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reduction-gearing for electric motors.
Assignee: Westinghouse Electric Corp
•
Filing: 1917-05-15
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Granted: 1919-04-15
•
Expires: 1937-05-15
Abstract
No abstract record available.
Inventors
- 👤 Carlyle A Atherton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:07
CPC Classifications
D; D05; D05B; D05B69/00; D05B69/10; D05B69/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/19575
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) | 1922-04-14 | 1922-10-14 | 1923-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-04-14 | 1926-10-14 | 1927-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-04-14 | 1930-10-14 | 1931-04-15 | $7700.00 | Window Closed / Lapsed |