US3461472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool with automatic tapping control
Assignee: Kearney and Trecker Corp
•
Filing: 1966-10-25
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Granted: 1969-08-19
•
Expires: 1986-10-25
Abstract
No abstract record available.
Inventors
- 👤 Robert K Sedgwick
- 👤 Werner K Behrendt
- 👤 Hans J Baechle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:18
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/16; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/165
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) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |