US2578298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereoscopic television system
Assignee: Individual
•
Filing: 1946-10-25
•
Granted: 1951-12-11
•
Expires: 1966-10-25
Abstract
No abstract record available.
Inventors
- 👤 Alfred N Goldsmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:27
CPC Classifications
H; H04; H04N; H04N13/00; H04N13/20; H04N13/204; H04N13/207; H04N13/236; H04N13/10; H04N13/194; H04N13/30; H04N13/332; H04N13/341; H04N13/398
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1978684A
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US2072527A
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US1934821A
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US2107464A
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US2039119A
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US2074764A
Cited
US2293147A
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US2261309A
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US2310197A
Cited
US2297949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |