Patent US2416228A successfully refreshed from Google Patents.
US2416228A
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US
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Cutting tool
Assignee: Gudel & Sheppard Co
•
Filing: 1944-08-15
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Granted: 1947-02-18
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Expires: 1964-08-15
Abstract
No abstract record available.
Inventors
- 👤 Nelson H Sheppard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:41
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/02; B23C3/05; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5587; Y10T408/563; Y10T408/5633; Y10T408/56337
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US270615A
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US378196A
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US481342A
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US620974A
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US1673571A
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US1113674A
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US1888800A
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US2082461A
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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) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |