US1265765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrothermostatic device.
Assignee: Individual
•
Filing: 1917-03-02
•
Granted: 1918-05-14
•
Expires: 1937-03-02
Abstract
No abstract record available.
Inventors
- 👤 Harry A Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/1919; G05D23/1921; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/1963
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) | 1921-05-13 | 1921-11-12 | 1922-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-05-13 | 1925-11-12 | 1926-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-05-13 | 1929-11-12 | 1930-05-14 | $7700.00 | Window Closed / Lapsed |