US2459233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw sharpener
Assignee: MALL TOOL Co
•
Filing: 1944-09-28
•
Granted: 1949-01-18
•
Expires: 1964-09-28
Abstract
No abstract record available.
Inventors
- 👤 Mall Arthur William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:54
CPC Classifications
B; B23; B23D; B23D63/00; B23D63/003; B23D63/08; B23D63/12; B23D63/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191321655A
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US1377884A
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US1853245A
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US1909832A
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US1966364A
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US2115712A
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DE670747C
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US2217145A
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US2156034A
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US2318456A
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CH218430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |