US3384953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic tool changer
Assignee: National Automatic Tool Co Inc
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Filing: 1966-09-12
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Granted: 1968-05-28
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Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Virgil H Schrolucke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:50
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/1552; B23Q3/1554; B23Q2003/155414; B23Q2003/155418; B23Q2003/155425; B23Q2003/155428; B23Q2003/155435; B23Q2003/155439; Y; Y10; Y10T; Y10T483/00; Y10T483/13; Y10T483/17; Y10T483/1733; Y10T483/1748; Y10T483/1752; Y10T483/1755; Y10T483/1767; Y10T483/18; Y10T483/1873; Y10T483/1882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB947743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |