← Back to Patent Explorer
US2643945A Expired / Lapsed US ⏱️ 0.0 years remaining

Reinforced abrasive articles and method of making the same

Assignee: Bay State Abrasive Products Co
•
Filing: 1949-05-12
•
Granted: 1953-06-30
•
Expires: 1969-05-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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)

US334671A Cited
US704789A Cited
US1860724A Cited
US2031158A Cited
US2031280A Cited
US2078436A Cited
US2335902A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag