Patent US4666247A successfully refreshed from Google Patents.
Patent US952470A successfully refreshed from Google Patents.
US952470A
Expired / Lapsed
US
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Tool-holder.
Assignee: Individual
•
Filing: 1909-04-13
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Granted: 1910-03-22
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Expires: 1929-04-13
Abstract
No abstract record available.
Inventors
- 👤 Fedor Shapowalow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:09
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1685; B23B27/1692; Y; Y10; Y10T; Y10T407/00; Y10T407/13; Y10T407/134; Y10T407/137; Y10T407/22; Y10T407/2222; Y10T407/2226; Y10T407/223; Y10T407/2234
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) | 1913-03-21 | 1913-09-20 | 1914-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-03-21 | 1917-09-20 | 1918-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-03-21 | 1921-09-20 | 1922-03-22 | $7700.00 | Window Closed / Lapsed |