US2145866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrotechnique
Assignee: Individual
•
Filing: 1929-08-14
•
Granted: 1939-02-07
•
Expires: 1949-08-14
Abstract
No abstract record available.
Inventors
- 👤 Gioacchino Failla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/02; G; G01; G01T; G01T1/00; G01T1/16; G01T1/185; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18008; Y10T74/19; Y10T74/19605; Y10T74/19609
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) | 1942-02-06 | 1942-08-08 | 1943-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-06 | 1946-08-08 | 1947-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-06 | 1950-08-08 | 1951-02-07 | $7700.00 | Window Closed / Lapsed |