US2816770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holder and adapter
Assignee: DE VLIEG Corp
•
Filing: 1955-09-07
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Granted: 1957-12-17
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Expires: 1975-09-07
Abstract
No abstract record available.
Inventors
- 👤 Vlieg Charles B De
- 👤 Allen N Sweeny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:31
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/103; F; F16; F16B; F16B3/00; B23B2231/00; B23B2231/40; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17769; Y10T279/17923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1861504A
Cited
US2433127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |