US2706273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television picture tube voltage tester
Assignee: Individual
•
Filing: 1952-02-13
•
Granted: 1955-04-12
•
Expires: 1972-02-13
Abstract
No abstract record available.
Inventors
- 👤 Langis Philip A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1625111A
Cited
US1786555A
Cited
US2094645A
Cited
US2366991A
Cited
US2499116A
Cited
US2547248A
Cited
US2578288A
Cited
US2609409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |