US2994018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asymmetrically conductive device and method of making the same
Assignee: General Electric Co
•
Filing: 1956-07-10
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Granted: 1961-07-25
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Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Robert N Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:27
CPC Classifications
H; H10; H10D; H10D10/00; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H10D62/00; H10D62/10; H10D62/60; H10D62/80; H10D62/83; H10D62/834; H10D84/00; H10D99/00; H10F; H10F99/00; H10P; H10P10/00; H10P32/00; H10P32/10; H10P32/16; H10P95/00; H10P95/50; H10W; H10W40/00; H10W40/40; H10W40/47; H10W40/60; H10W90/00; H10W72/00; H10W72/50; H10W72/531; H10W72/536; H10W72/851; H10W72/874; H10W72/884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1994632A
Cited
US2502488A
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US2602763A
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US2666814A
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US2629672A
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US2701326A
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US2792538A
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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) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |