US2446774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain saw
Assignee: MALL TOOL Co
•
Filing: 1943-11-15
•
Granted: 1948-08-10
•
Expires: 1963-11-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Mall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:16
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/0083; B27B17/08; B27B17/12; B27B33/00; B27B33/14; Y; Y10; Y10T; Y10T83/00; Y10T83/909; Y10T83/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |