Patent US2480607A successfully refreshed from Google Patents.
US2480607A
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Audience reaction integrator
Assignee: RCA Corp
•
Filing: 1947-01-18
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Granted: 1949-08-30
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Expires: 1967-01-18
Abstract
No abstract record available.
Inventors
- 👤 Chester A Rackey
- 👤 Thomas H Phelan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:40
CPC Classifications
H; H03; H03F; H03F13/00; G; G01; G01H; G01H3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2050852A
Cited
US2149558A
Cited
US2162239A
Cited
US2300198A
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US2405133A
Cited
US2389991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |