US3020341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereoscopic television
Assignee: Individual
•
Filing: 1951-12-21
•
Granted: 1962-02-06
•
Expires: 1971-12-21
Abstract
No abstract record available.
Inventors
- 👤 Freeman H Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:42
CPC Classifications
H; H04; H04N; H04N13/00; H04N13/30; H04N13/332; H04N13/337; G; G02; G02B; G02B30/00; G02B30/20; G02B30/22; G02B30/25; H04N13/341; H04N13/398
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB325362A
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US2107464A
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US2301254A
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US2349071A
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US2417446A
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US2384260A
Cited
US2408115A
Cited
GB571946A
Cited
US2508920A
Cited
US2578298A
Cited
US2571612A
Cited
US2665335A
Cited
US2621247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |