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Patent US2398913A successfully refreshed from Google Patents.
US2398913A
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Assignee: ANTHONY TOOL Co
•
Filing: 1944-05-29
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Granted: 1946-04-23
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Expires: 1964-05-29
Abstract
No abstract record available.
Inventors
- 👤 David S Anthony
- 👤 William B Blocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:06
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/043; B23B2210/00; B23B2210/02; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2252; Y10T407/2264; Y10T407/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-04-22 | 1949-10-22 | 1950-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-22 | 1953-10-22 | 1954-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-22 | 1957-10-22 | 1958-04-23 | $7700.00 | Window Closed / Lapsed |