US2531395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Round nut feeding fixture
Assignee: Individual
•
Filing: 1945-11-02
•
Granted: 1950-11-28
•
Expires: 1965-11-02
Abstract
No abstract record available.
Inventors
- 👤 Iver H Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:07
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q2707/00; B23Q2707/006; Y; Y10; Y10T; Y10T408/00; Y10T408/50; Y10T408/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US685713A
Cited
US962464A
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US951296A
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US1464020A
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US1461171A
Cited
US1564211A
Cited
US1571021A
Cited
US1752468A
Cited
US1846645A
Cited
US2462327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |