US3039017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image intensifier apparatus
Assignee: Individual
•
Filing: 1960-04-12
•
Granted: 1962-06-12
•
Expires: 1980-04-12
Abstract
No abstract record available.
Inventors
- 👤 Clinton E Brown
- 👤 Jack W Crenshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:05
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/50; H01J31/506; H01J29/00; H01J29/02; H01J29/023; H01J29/10; H01J29/36; H01J29/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2254617A
Cited
US2464420A
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US2667599A
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US2841728A
Cited
US2836755A
Cited
US2942133A
Cited
US2821637A
Cited
US2817781A
Cited
US2805360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |