US2500387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool bit and holder therefor
Assignee: Apex Tool & Cutter Co
•
Filing: 1945-06-20
•
Granted: 1950-03-14
•
Expires: 1965-06-20
Abstract
No abstract record available.
Inventors
- 👤 Henry M Sheridan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:29
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1603; B23B27/1611; B23B27/1655; B23B2200/00; B23B2200/16; B23B2200/161; B23B2200/165; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/227; Y10T408/00; Y10T408/83
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1311897A
Cited
US867798A
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FR609757A
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US2063129A
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US2140941A
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FR813108A
Cited
US2181023A
Cited
US2160369A
Cited
US2347136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |