Patent US3483327A successfully refreshed from Google Patents.
US3483327A
Expired / Lapsed
US
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Transponder for monitoring t.v. program selections
Assignee: Control Data Corp
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Filing: 1965-03-25
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Granted: 1969-12-09
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Expires: 1985-03-25
Abstract
No abstract record available.
Inventors
- 👤 Arnold Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:49
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/35; H04H60/38; H04H60/41; H04H60/44; H04N; H04N7/00; H04N7/16; H04N7/173; H04N7/17309; H04H60/76; H04H60/81; H04H60/93; H04H60/94; H04N2007/17372; H04N2007/1739
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2674512A
Cited
US3058065A
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US2905762A
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US3148245A
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US3093795A
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US3281695A
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US3207850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |