US2532591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slotting machine
Assignee: Kearney and Trecker Corp
•
Filing: 1946-07-11
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Granted: 1950-12-05
•
Expires: 1966-07-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Armitage
- 👤 James N Flannery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:50
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q2705/00; B23Q2705/10; B23Q2705/108; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/502624; Y10T409/503116; Y10T409/504756; Y10T409/506232; Y10T409/507544; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |