US2566026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1945-11-26
•
Granted: 1951-08-28
•
Expires: 1965-11-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur C Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:13
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/18; G01; G01D; G01D11/00; G01D11/28; G03; G03B; G03B17/00; G03B17/24; G09D; G09D1/00; H; H02; H02B; H02B15/00; Y; Y10; Y10S; Y10S116/00; Y10S116/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1950548A
Cited
US2071284A
Cited
US2247969A
Cited
US2305991A
Cited
US2272806A
Cited
US2278520A
Cited
US2410064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |