Patent US5661677A successfully refreshed from Google Patents.
US3540332A
Expired / Lapsed
US
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Lathe toolholders
Assignee: Blaw Knox Co
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Filing: 1968-04-29
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Granted: 1970-11-17
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Expires: 1988-04-29
Abstract
No abstract record available.
Inventors
- 👤 Frank Kvasnicka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:34
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/24; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T74/00; Y10T74/14; Y10T74/1476; Y10T82/00; Y10T82/25; Y10T82/2585; Y10T82/2587
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) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |