US2958258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical projection of beam controlled object fields
Assignee: Technicolor Corp
•
Filing: 1953-09-21
•
Granted: 1960-11-01
•
Expires: 1973-09-21
Abstract
No abstract record available.
Inventors
- 👤 Donald H Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:22
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/31; G; G02; G02B; G02B27/00; G02B27/28; G02B27/283; G03; G03B; G03B21/00; G03B21/005; H04N9/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2118160A
Cited
US2014688A
Cited
US2178145A
Cited
GB514776A
Cited
US2391450A
Cited
US2318705A
Cited
US2403731A
Cited
US2481622A
Cited
US2449287A
Cited
US2601175A
Cited
US2669901A
Cited
US2740830A
Cited
US2669902A
Cited
US2672502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |