US2911518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television optical system for hospital television
Assignee: RCA Corp
•
Filing: 1956-06-06
•
Granted: 1959-11-03
•
Expires: 1976-06-06
Abstract
No abstract record available.
Inventors
- 👤 Anderson Lannes Einride
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:49
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/14; G03B17/00; G03B17/02; G03B17/12; Y; Y10; Y10S; Y10S362/00; Y10S362/804
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |