US2739485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stepping device
Assignee: Automatic Electric Laboratories Inc
•
Filing: 1950-05-19
•
Granted: 1956-03-27
•
Expires: 1970-05-19
Abstract
No abstract record available.
Inventors
- 👤 Sengebusch Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:53
CPC Classifications
F; F16; F16H; F16H27/00; F16H27/02; F16H33/00; F16H33/02; F16H2706/00; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1502; Y10T74/19; Y10T74/19642; Y10T74/1967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US208252A
Cited
US461144A
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US533001A
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US1324401A
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US651860A
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US1117405A
Cited
US1556713A
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US1866808A
Cited
US2084803A
Cited
US2175086A
Cited
DE694999C
Cited
US2222217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |