US2983902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystal vibrated reed and receiver
Assignee: PHILIPPS ELECTRONICS Corp
•
Filing: 1956-03-30
•
Granted: 1961-05-09
•
Expires: 1976-03-30
Abstract
No abstract record available.
Inventors
- 👤 Louis E Philipps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:35
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0603
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1693806A
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US2105011A
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US2033631A
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GB425832A
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US2126438A
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US2137188A
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US2222056A
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US2185966A
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US2203332A
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US2269403A
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US2518993A
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US2714859A
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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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |