US2584680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic testing apparatus
Assignee: General Electric Co
•
Filing: 1949-04-16
•
Granted: 1952-02-05
•
Expires: 1969-04-16
Abstract
No abstract record available.
Inventors
- 👤 Robert A Doncyson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:24
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/50; G01R31/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1977703A
Cited
US2043528A
Cited
US2529227A
Cited
US2440480A
Cited
US2459801A
Cited
US2478945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |