Patent US2312115A successfully refreshed from Google Patents.
US2312115A
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US
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Thread cutting machine
Assignee: Leckinger S Machine & Ex Co
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Filing: 1941-05-27
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Granted: 1943-02-23
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Expires: 1961-05-27
Abstract
No abstract record available.
Inventors
- 👤 Malcolm E Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:35
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/16; Y; Y10; Y10T; Y10T408/00; Y10T408/21; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T408/6776; Y10T408/91; Y10T408/93; Y10T408/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-02-22 | 1946-08-24 | 1947-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-22 | 1950-08-24 | 1951-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-22 | 1954-08-24 | 1955-02-23 | $7700.00 | Window Closed / Lapsed |