Patent US3474686A successfully refreshed from Google Patents.
US3474686A
Expired / Lapsed
US
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Remote control device utilizing motion amplification
Assignee: CM Hall Lamp Co
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Filing: 1967-04-07
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Granted: 1969-10-28
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Expires: 1987-04-07
Abstract
No abstract record available.
Inventors
- 👤 Douglas D Liedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:15
CPC Classifications
B; B60; B60R; B60R1/00; B60R1/02; B60R1/06; B60R1/062; B60R1/064; B60R1/066; B60R1/068; F; F16; F16C; F16C1/00; F16C1/10; F16C1/12; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20432; Y10T74/20558; Y10T74/20564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |