US2952188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light filter for television pickup tubes and the like
Assignee: Bendix Corp
•
Filing: 1958-03-14
•
Granted: 1960-09-13
•
Expires: 1978-03-14
Abstract
No abstract record available.
Inventors
- 👤 Bernhard A Bang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:50
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/89; H04; H04N; H04N23/00; H04N23/50; H04N23/55; H01J2229/00; H01J2229/89; H01J2229/8926
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |