Patent US641241A successfully refreshed from Google Patents.
US641241A
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US
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Tool-holder.
Assignee: Individual
•
Filing: 1899-04-17
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Granted: 1900-01-09
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Expires: 1919-04-17
Abstract
No abstract record available.
Inventors
- 👤 George R Sherwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:39
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1685; B23B27/1692; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/948; Y10T; Y10T279/00; Y10T279/17; Y10T279/17017; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2226; Y10T407/223; Y10T407/2234; Y10T407/225
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) | 1903-01-09 | 1903-07-11 | 1904-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-01-09 | 1907-07-11 | 1908-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-01-09 | 1911-07-11 | 1912-01-10 | $7700.00 | Window Closed / Lapsed |