US2444138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable tension chain saw machine
Assignee: MALL TOOL Co
•
Filing: 1944-03-17
•
Granted: 1948-06-29
•
Expires: 1964-03-17
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Mall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:20
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/08; B27B17/12; B27B17/14; B27B17/144; Y; Y10; Y10T; Y10T83/00; Y10T83/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR651391A
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US1342213A
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US1617565A
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US1467150A
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US1710970A
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GB274348A
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US1802129A
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GB402765A
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US1952270A
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US2051195A
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US2109702A
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US2165524A
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DE676377C
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GB539956A
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US2348612A
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US2357953A
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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) | 1951-06-29 | 1951-12-29 | 1952-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-29 | 1955-12-29 | 1956-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-29 | 1959-12-29 | 1960-06-29 | $7700.00 | Window Closed / Lapsed |