US3136100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding wheel
Assignee: Saint Gobain Abrasives Inc
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Filing: 1962-07-11
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Granted: 1964-06-09
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Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 Jr John Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:01
CPC Classifications
B; B24; B24D; B24D7/00; B24D7/16; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
AN ABRADING TOOL FOR MOUNTING ON A ROTATABLE SHAFT HAVING A REDUCED THREADED END PORTION AND SHOULDER THEREON COMPRISING, A GRINDING WHEEL WITH A DEPRESSED CENTER, SAID DEPRESSED CENTER HAVING A CENTRAL RAISED SURFACE OF PREDETERMINED HEIGHT ABOVE ITS BACK SIDE, A DEPRESSED SURFACE OPPOSITE SAID RAISED SURFACE ON ITS FRONT SIDE AND A CENTRALLY DISPOSED APERTURE THEREIN, A FLANGED MEMBER HAVING AN INTERNALLY THREADED PORTION EXTENDING THROUGH SAID GRINDING WHEEL AND BEYOND SAID RAISED SURFACE, A SUPPORTING MEMBER CENTERED ON AND BY THE PORTION OF SAID FLANGED MEMBER EXTENDING BEYOND SAID RAISED SURFACE, A CONTINUOUS LAND ADJACENT THE PERIPHERY OF SAID SUPPORTING MEMBER CONTACTING A PORTION OF THE GRINDING WHEEL SURFACE OF SAID BACK SIDE BEYOND THE EXTREMITIES OF SAID RAISED SURFACE, A RECESSED SURFACE IN THE SUPPORTING MEMBER DISPOSED RELATIVE TO SAID LAND OF A DEPTH GREATER THAN THE HEIGHT OF SAID RAISED SURFACE, AN INITIALLY SOFT HARDENED ADHESIVE-TYPE BEDDING MATERIAL BETWEEN SAID RECESSED SURFACE AND SAID RAISED SURFACE AND BETWEEN SAID FLANGE MEMBER AND SAID DEPRESSED SURFACE AND MEANS ON THE SUPPORTING MEMBER FOR SUPPORTING ENGAGEMENT WITH SAID ROTATABLE SHAFT AND SAID SHOULDER THEREON FOR APPLYING CLAMPING PRESSURE ON THE GRINDING WHEEL BETWEEN SAID FLANGED MEMBER AND THE SUPPORTING MEMBER.
Claim 2
Dependent Claim
203 words
AN ABRADING TOOL FOR MOUNTING ON A ROTATABLE SHAFT HAVING A REDUCED THREADED END PORTION AND SHOULDER THEREON COMPRISING, A GRINDING WHEEL WITH A DEPRESSED CENTER, SAID DEPRESSED CENTER HAVING A CENTRAL RAISED SURFACE OF PREDETERMINED HEIGHT ABOVE ITS BACK SIDE, A DEPRESSED SURFACE OPPOSITE SAID RAISED SURFACE ON ITS FRONT SIDE AND A CENTRALLY DISPOSED APERTURE THEREIN, A FLANGED MEMBER HAVING AN INTERNALLY THREADED PORTION EXTENDING THROUGH SAID GRINDING WHEEL AND BEYOND SAID RAISED SURFACE, A SUPPORTING MEMBER CENTERED ON AND BY THE PORTION OF SAID FLANGED MEMBER EXTENDING BEYOND SAID RAISED SURFACE, A CONTINUOUS LAND ADJACENT THE PERIPHERY OF SAID SUPPORTING MEMBER CONTACTING A PORTION OF THE GRINDING WHEEL SURFACE OF SAID BACK SIDE BEYOND THE EXTREMITIES OF SAID RAISED SURFACE, A RECESSED SURFACE IN THE SUPPORTING MEMBER DISPOSED RELATIVE TO SAID LAND OF A DEPTH GREATER THAN THE HEIGHT OF SAID RAISED SURFACE, AN INITIALLY SOFT HARDENED ADHESIVE-TYPE BEDDING MATERIAL BETWEEN SAID RECESSED SURFACE AND SAID RAISED SURFACE AND BETWEEN SAID FLANGE MEMBER AND SAID DEPRESSED SURFACE AND MEANS ON THE SUPPORTING MEMBER FOR SUPPORTING ENGAGEMENT WITH SAID ROTATABLE SHAFT AND SAID SHOULDER THEREON FOR APPLYING CLAMPING PRESSURE ON THE GRINDING WHEEL BETWEEN SAID FLANGED MEMBER AND THE SUPPORTING MEMBER.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |