Patent US2954570A successfully refreshed from Google Patents.
US2954570A
Expired / Lapsed
US
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Holder for plural thread chasing tools including tool clamping block with lubrication passageway
Assignee: Individual
•
Filing: 1957-10-07
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Granted: 1960-10-04
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Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Couch Ace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:54
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/24; B23B29/248; B23G; B23G5/00; Y; Y10; Y10T; Y10T407/00; Y10T407/14; Y10T407/22; Y10T407/2208; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/2242; Y10T408/00; Y10T408/44; Y10T408/45; Y10T408/455; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/86; Y10T408/87
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) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |