US2291470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plaster cast cutter
Assignee: Individual
•
Filing: 1941-05-21
•
Granted: 1942-07-28
•
Expires: 1961-05-21
Abstract
No abstract record available.
Inventors
- 👤 Hope Alfred George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:22
CPC Classifications
B; B27; B27B; B27B33/00; B27B33/14; B27B33/142; B27B33/145; A; A61; A61F; A61F15/00; A61F15/02; B23; B23Q; B23Q11/00; B23Q11/02; B27B17/00; B27B17/0091; B27B17/14; B27B17/144; Y; Y10; Y10T; Y10T83/00; Y10T83/242; Y10T83/707; Y10T83/7101; Y10T83/7108; Y10T83/7195; Y10T83/7201; Y10T83/7208; Y10T83/722
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) | 1945-07-27 | 1946-01-26 | 1946-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-27 | 1950-01-26 | 1950-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-27 | 1954-01-26 | 1954-07-28 | $7700.00 | Window Closed / Lapsed |