US2643945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced abrasive articles and method of making the same
Assignee: Bay State Abrasive Products Co
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Filing: 1949-05-12
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Granted: 1953-06-30
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Expires: 1969-05-12
Abstract
No abstract record available.
Inventors
- 👤 Orello S Buckner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:02
CPC Classifications
B; B24; B24D; B24D18/00; B24D18/0081; B24D5/00; B24D5/02; B24D5/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
THE METHOD OF MAKING A GRINDING WHEEL COMPRISING THE STEPS OF INITIALLY COATING ABRASIVE GRAINS WITH A POTENTIALLY REACTIVE, HEAT HARDENABLE ORGANIC BOND, PROGRESSIVELY COATING A SINGLE, CONTINUOUS, READILY DESTRUCTIBLE, NON-WOEVEN, REINFORCING CORD OF HIGH TENSILE STRENGTH WITH A HEAT SETTABLE, ADHERABLE, PLASTIC, ORGANIC BONDING CEMENT THAT IS COMPATIBLE WITH SAID BOND, PROGRESSIVELY APPLYING THE COATED GRAINS TO THE CEMENT ON AND AROUND THE CORD, THERAFTER FEEDING AT LEAST ONE GRAIN COATED CORD FORWARD AND WINDING IT IN A SUBSTANTIALLY SPIRAL CONVOLUTION WITHOUT MATERIALLY DISTURBING THE GRAINS ON THE CORD AND FORMING A POROUS WHEEL BODY, PRESSING THE BODY AXIALLY TO A REQUIRED DENSITY AND HEATING THE BODY TO THERMOSET THE BOND AND CEMENT AND FORM AN INTEGRAL CORD REINFORCED WHEEL STRUCTURE.
References Cited (Backward Citations)
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Cited
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US1860724A
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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) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |