Patent US2589075A successfully refreshed from Google Patents.
US2589075A
Expired / Lapsed
US
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Toolholder for impact tools
Assignee: Individual
•
Filing: 1950-02-21
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Granted: 1952-03-11
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Expires: 1970-02-21
Abstract
No abstract record available.
Inventors
- 👤 Richard C Gravis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:17
CPC Classifications
B; B25; B25D; B25D7/00; B25D1/00; B25D1/02; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/12; F16B7/00; F16B7/04; F16B7/044; F16B7/048; B25D2250/00; B25D2250/105
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) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |