US3031902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Index mechanism
Assignee: Kearney and Trecker Corp
•
Filing: 1959-05-22
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Granted: 1962-05-01
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Expires: 1979-05-22
Abstract
No abstract record available.
Inventors
- 👤 Charles A Parske
- 👤 John A Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:27
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/27; B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; B23Q16/065; B24; B24B; B24B47/00; B24B47/02; B24B47/06; F; F15; F15B; F15B21/00; F15B21/08; G05B19/04; G05B19/0405; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1429; Y10T74/1447; Y10T74/1476; Y10T74/1488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2380973A
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US2686894A
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US2814013A
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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) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |