US3247623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective device for grinding machines
Assignee: Warner and Swasey Co
•
Filing: 1963-07-05
•
Granted: 1966-04-26
•
Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 Robert W Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:27
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/26; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/38; B23Q5/40; B23Q5/408; B23Q5/54; B23Q5/58; B24B55/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
IN A GRINDING MACHINE COMPRISING A WHEEL SLIDE MOUNTING A WHEEL, A BASE ON WHICH THE WHEEL SLIDE RESTS FOR TRANSLATIONAL MOVEMENT OF THE SLIDE ON THE BASE, AND FASTENING MEANS SECURING THE WHEEL SLIDE TO THE BASE, SAID FASTENING MEANS INCLUDING AT LEAST ONE FIRST ELEMENT DESIGNED TO BREAK IN TENSION UNDER A PREDETERMINED ABNORMAL LOAD AND AT LEAST ONE SECOND ELEMENT THEREAFTER DEFORMABLE IN COMPRESSION TO DISSIPATE DISRUPTIVE STRESSES DEVELOPED BETWEEN THE WHEEL SLIDE AND THE BASE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |