US1564656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-feed system
Assignee: ELECTRICAL ENG EQUIPMENT CO
•
Filing: 1920-01-22
•
Granted: 1925-12-08
•
Expires: 1940-01-22
Abstract
No abstract record available.
Inventors
- 👤 Woodmansee Fay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:04
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/55; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/7287; Y10T137/7498
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) | 1928-12-07 | 1929-06-08 | 1929-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-07 | 1933-06-08 | 1933-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-07 | 1937-06-08 | 1937-12-08 | $7700.00 | Window Closed / Lapsed |