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US2858711A
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Mechanical scan drive system
Assignee: Individual
•
Filing: 1954-12-16
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Granted: 1958-11-04
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Expires: 1974-12-16
Abstract
No abstract record available.
Inventors
- 👤 Blackstone Henry
- 👤 Joseph T Conley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:06
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/12; F16H37/122; H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/04; H01Q3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18248; Y10T74/18256; Y10T74/21; Y10T74/2173; Y10T74/2179
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US118530A
Cited
US151949A
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US265094A
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US1343008A
Cited
CH97292A
Cited
US2319485A
Cited
FR1074423A
Cited
GB729098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |