Patent US3927275A successfully refreshed from Google Patents.
US2884788A
Expired / Lapsed
US
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Cable transmission systems for recorders
Assignee: Leeds and Northrup Co
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Filing: 1957-09-17
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Granted: 1959-05-05
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Expires: 1977-09-17
Abstract
No abstract record available.
Inventors
- 👤 Clark William Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:10
CPC Classifications
F; F16; F16H; F16H19/00; F16H19/02; F16H19/06; F16H2019/0609; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18832; Y10T74/18848; Y10T74/19; Y10T74/19623
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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |