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US2826016A Expired / Lapsed US ⏱️ 0.0 years remaining

Reinforced abrasive products

Assignee: Dart Industries Inc
•
Filing: 1956-02-06
•
Granted: 1958-03-11
•
Expires: 1976-02-06
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Abstract

No abstract record available.

Inventors

  • 👤 Hurst Edward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:43
CPC Classifications
B; B24; B24D; B24D5/00; B24D5/02; B24D5/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 38 words
AN ABRASIVE ARTICLE OF THE BONDED ABRASIVE TYPE, THE BODY OF THE ARTICLE BEING REINFORCED WITH AT LEAST ONE LAYER OF A TWO COMPONENT REINFORCING MATERIAL COMPRISING A HIGH STRENGTH FIBROUS COMPONENT AS SUPPORT FOR A PYROPHORIC COMPONENT.
Claim 2
Dependent Claim 38 words
AN ABRASIVE ARTICLE OF THE BONDED ABRASIVE TYPE, THE BODY OF THE ARTICLE BEING REINFORCED WITH AT LEAST ONE LAYER OF A TWO COMPONENT REINFORCING MATERIAL COMPRISING A HIGH STRENGTH FIBROUS COMPONENT AS SUPPORT FOR A PYROPHORIC COMPONENT.

References Cited (Backward Citations)

US2092591A Cited
US2094556A Cited
US2275339A Cited
US2656654A Cited
US2643494A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-03-10 1961-09-09 1962-03-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-03-10 1965-09-09 1966-03-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-03-10 1969-09-09 1970-03-11 $7700.00 Window Closed / Lapsed

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