US2621247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereoscopic television
Assignee: Individual
•
Filing: 1950-01-21
•
Granted: 1952-12-09
•
Expires: 1970-01-21
Abstract
No abstract record available.
Inventors
- 👤 Wright Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:56
CPC Classifications
G; G02; G02B; G02B30/00; G02B30/20; G02B30/26; G02B30/27; H; H04; H04N; H04N13/00; H04N13/30; H04N13/302; H04N13/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2118160A
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US2213547A
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US2214973A
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US2301254A
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US2349071A
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US2408383A
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US2416720A
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US2508920A
Cited
US2452619A
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US2543793A
Cited
US2479820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |