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US2445013A
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Toolholder
Assignee: Individual
•
Filing: 1946-03-22
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Granted: 1948-07-13
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Expires: 1966-03-22
Abstract
No abstract record available.
Inventors
- 👤 Christian G Winkler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:06
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/12; B23B29/14; Y; Y10; Y10S; Y10S408/00; Y10S408/714; Y10T; Y10T407/00; Y10T407/13; Y10T407/134; Y10T407/137; Y10T407/22; Y10T407/2272; Y10T408/00; Y10T408/94; Y10T408/95; Y10T408/953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |