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US3370346A
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Mechanisms for tool changers
Assignee: Giddings and Lewis LLC
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Filing: 1965-10-11
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Granted: 1968-02-27
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Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 Robert A Lehmkuhl
- 👤 Robert E Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:01
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/1552; B23Q3/15526; B23Q3/15539; B23Q2003/15527; Y; Y10; Y10T; Y10T483/00; Y10T483/17; Y10T483/1733; Y10T483/1748; Y10T483/1783; Y10T483/18; Y10T483/1809
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US413245A
Cited
US3238615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |