US2697272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toolholder
Assignee: VASCOLOY RAMET CORP
•
Filing: 1952-10-29
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Granted: 1954-12-21
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Expires: 1972-10-29
Abstract
No abstract record available.
Inventors
- 👤 Herbert B Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:57
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/22; Y; Y10; Y10T; Y10T407/00; Y10T407/11; Y10T407/116; Y10T407/22; Y10T407/227; Y10T407/2272; Y10T407/2282; Y10T407/2292; Y10T407/23
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) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |