US2992565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic speed change mechanism
Assignee: Kearney and Trecker Corp
•
Filing: 1958-03-10
•
Granted: 1961-07-18
•
Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 John A Hansen
- 👤 Kurt A Riedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:58
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/145; F; F16; F16H; F16H61/00; F16H61/02; F16H2708/00; F16H2708/16; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19247; Y10T74/19251; Y10T74/19293; Y10T74/19298; Y10T74/19326; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433; Y10T74/19437
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE506223C
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US2233790A
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US1544909A
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US2121157A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |