Patent US3026504A successfully refreshed from Google Patents.
US3026504A
Expired / Lapsed
US
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Information transmission system
Assignee: RCA Corp
•
Filing: 1956-05-01
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Granted: 1962-03-20
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Expires: 1976-05-01
Abstract
No abstract record available.
Inventors
- 👤 James A Aurand
- 👤 Lester S Lappin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:37
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/16; G08C19/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2089441A
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US2434965A
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US2411547A
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US2504975A
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US2452547A
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US2493508A
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US2444935A
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US2477370A
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US2680241A
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US2689952A
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US2784255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |