Patent US5652704A successfully refreshed from Google Patents.
Patent US3129537A successfully refreshed from Google Patents.
US3129537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective device for grinding machines
Assignee: Saint Gobain Abrasives Inc
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Filing: 1961-07-31
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Granted: 1964-04-21
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 William R Backer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:25
CPC Classifications
B; B24; B24B; B24B55/00; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q5/00; B23Q5/54; B23Q5/58; B24B55/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A GRINDING MACHINE, A SUPPORT, A WHEEL SLIDE MOUNTING A WHEEL AND A HOOD THEREFOR, WAYS ON THE SUPPORT SUPPORTING THE WHEEL SLIDE FOR TRANSLATIONAL MOVEMENT RELATIVE TO THE WORK, SPACED PARALLEL INTERLAPPING GUIDES ON THE WHEEL SLIDE AND SUPPORT AND A CUSHION ELEMENT DISPOSED BETWEEN THE PARALLEL PORTIONS OF THE GUIDES, YIELDABLE UNDER PRESSURE IN RESPONSE TO FORCES TENDING TO LIFT THE SLIDE FROM ITS WAYS.
Claim 2
Dependent Claim
68 words
IN A GRINDING MACHINE, A SUPPORT, A WHEEL SLIDE MOUNTING A WHEEL AND A HOOD THEREFOR, WAYS ON THE SUPPORT SUPPORTING THE WHEEL SLIDE FOR TRANSLATIONAL MOVEMENT RELATIVE TO THE WORK, SPACED PARALLEL INTERLAPPING GUIDES ON THE WHEEL SLIDE AND SUPPORT AND A CUSHION ELEMENT DISPOSED BETWEEN THE PARALLEL PORTIONS OF THE GUIDES, YIELDABLE UNDER PRESSURE IN RESPONSE TO FORCES TENDING TO LIFT THE SLIDE FROM ITS WAYS.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |