Patent US3067873A successfully refreshed from Google Patents.
US3067873A
Expired / Lapsed
US
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Detector device
Assignee: GTE Sylvania Inc
•
Filing: 1959-02-09
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Granted: 1962-12-11
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Expires: 1979-02-09
Abstract
No abstract record available.
Inventors
- 👤 Ronald G Petts
- 👤 Harold L Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:35
CPC Classifications
B; B65; B65B; B65B57/00; B65B57/10; Y; Y10; Y10S; Y10S209/00; Y10S209/925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734628A
Cited
US2101381A
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GB484109A
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US2280948A
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US2448814A
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US2444751A
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US2566767A
Cited
US2635747A
Cited
US2570288A
Cited
US2803341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |