Patent US3093998A successfully refreshed from Google Patents.
US2875360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image intensifier
Assignee: Westinghouse Electric Corp
•
Filing: 1953-05-25
•
Granted: 1959-02-24
•
Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 Andrew P Kruper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:38
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/50; H01J31/56
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2237896A
Cited
US2237681A
Cited
US2322361A
Cited
US2291577A
Cited
US2213179A
Cited
US2280191A
Cited
US2322807A
Cited
US2446791A
Cited
US2458205A
Cited
US2558647A
Cited
US2605335A
Cited
US2622226A
Cited
US2699511A
Cited
US2661437A
Cited
US2645721A
Cited
US2777084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |