US2967440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic indexing mechanism for foundry turntables
Assignee: Pettibone Traverse Lift LLC
•
Filing: 1959-05-11
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Granted: 1961-01-10
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Expires: 1979-05-11
Abstract
No abstract record available.
Inventors
- 👤 William A Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:10
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5406; B23Q1/5437; B22; B22C; B22C11/00; B22C11/02; B22C11/04; B22C19/00; B22C19/04; B23Q1/26; B23Q1/40; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; B23Q16/065; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1412; Y10T74/1418; Y10T74/1424; Y10T74/1441; Y10T74/15; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1568; Y10T74/1569; Y10T74/1571; Y10T74/18; Y10T74/18528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US241933A
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US572904A
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US2531198A
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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) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |