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US3505502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for converting television viewing recording tape on minute basis to electronic computer input tape
Assignee: Dentsu Group Inc
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Filing: 1966-04-07
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Granted: 1970-04-07
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Expires: 1986-04-07
Abstract
No abstract record available.
Inventors
- 👤 Akito Yanai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:27
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/35; H04H60/38; H04H60/39; G; G06; G06K; G06K1/00; G06K1/02; G06K1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2803402A
Cited
US3070798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |