US3436473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record analyzing and viewing apparatus
Assignee: CBS Broadcasting Inc
•
Filing: 1965-06-30
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Granted: 1969-04-01
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Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 Renville H Mcmann Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:42
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/30; G; G01; G01N; G01N21/00; G01N21/17; G01N21/59; G01N21/5907; G01N21/5911; H04N7/00; H04N7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2679636A
Cited
US2903507A
Cited
US2964644A
Cited
US2977407A
Cited
US3340359A
Cited
US3376382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |