US1562561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controller for power-driven pumps
Assignee: Cutler Hammer Manufacturing Co
•
Filing: 1923-02-23
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Granted: 1925-11-24
•
Expires: 1943-02-23
Abstract
No abstract record available.
Inventors
- 👤 Bayard M Horter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:17
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/04; F04D9/041; F04D15/00; F04D15/02; F04D15/029; F04D9/042; F04D9/044; F04D9/045; F04D9/046
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) | 1928-11-23 | 1929-05-25 | 1929-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-11-23 | 1933-05-25 | 1933-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-11-23 | 1937-05-25 | 1937-11-24 | $7700.00 | Window Closed / Lapsed |