US2533254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lathe tool
Assignee: Individual
•
Filing: 1945-09-10
•
Granted: 1950-12-12
•
Expires: 1965-09-10
Abstract
No abstract record available.
Inventors
- 👤 Elgin B Whigam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:26
CPC Classifications
B; B23; B23B; B23B27/00; B23Q; B23Q1/00; B23Q1/25; B23Q1/64; B23Q1/68; Y; Y10; Y10T; Y10T407/00; Y10T407/13; Y10T407/134; Y10T407/137; Y10T407/22; Y10T407/2222; Y10T407/2244; Y10T407/2246; Y10T407/2272; Y10T407/2282; Y10T407/2292; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/852; Y10T82/00; Y10T82/20
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) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |