US2865003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test stand for transistor
Assignee: GTE Sylvania Inc
•
Filing: 1953-08-31
•
Granted: 1958-12-16
•
Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 John J Harmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:24
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; H01R13/629; Y; Y10; Y10S; Y10S439/00; Y10S439/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1313572A
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US1685847A
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US2420055A
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GB625388A
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US2510944A
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US2503729A
Cited
US2606228A
Cited
GB672146A
Cited
US2627537A
Cited
US2594748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |