US2603742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical apparatus for testing radio equipment
Assignee: Individual
•
Filing: 1945-05-31
•
Granted: 1952-07-15
•
Expires: 1965-05-31
Abstract
No abstract record available.
Inventors
- 👤 Roy E Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:19
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01R; G01R31/00; G01R31/28; G01R31/282; G01R31/2822; G06; G06K; G06K7/00; G06K7/0008; H; H04; H04B; H04B17/00; H04B17/0082; H04B17/0085; H04B17/10; H04B17/15; H04B17/191; H04B17/20; H04B17/29; G01S7/4004; G01S7/4008; G01S7/4021; G01S7/4052; G01S7/4082
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |