US3047933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystal diode assembly machine and method therefor
Assignee: CBS Broadcasting Inc
•
Filing: 1958-01-17
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Granted: 1962-08-07
•
Expires: 1978-01-17
Abstract
No abstract record available.
Inventors
- 👤 Russell W Chick
- 👤 Christofferson James
- 👤 George F Vigneau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:59
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0441; H10P72/0438
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2296158A
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US2430028A
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US2539898A
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US2757440A
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US2736847A
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US2823809A
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US2888735A
Cited
US2829782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |