US3477121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machining center with dual function tool operator
Assignee: Kearney and Trecker Corp
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Filing: 1967-08-25
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Granted: 1969-11-11
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Expires: 1987-08-25
Abstract
No abstract record available.
Inventors
- 👤 John L Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:35
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/157; B23Q3/15713; B23Q1/00; B23Q1/70; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/5114; Y10T483/00; Y10T483/17; Y10T483/1702; Y10T483/1705; Y10T483/1714; Y10T483/1733; Y10T483/1736; Y10T483/1743; Y10T483/1745; Y10T483/1748; Y10T483/1752
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |