US3447402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damped tuned boring bar
Assignee: Milacron Inc
•
Filing: 1967-10-25
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Granted: 1969-06-03
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Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:10
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/02; B23B29/022; F; F16; F16F; F16F7/00; F16F7/10; Y; Y10; Y10T; Y10T408/00; Y10T408/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2051954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |