US3276852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament-reinforced composite abrasive articles
Assignee: Individual
•
Filing: 1962-11-20
•
Granted: 1966-10-04
•
Expires: 1982-11-20
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:18
CPC Classifications
B; B24; B24D; B24D11/00; B24D7/00; B24D7/02; B24D7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A COMPOSITE ARTICLE OF MANUFACTURE COMPRISING IN COMBINATION; (A) A SOLID SUPPORTING BASE MEMBER, (B) A LAYER OF PARTICLES DEFINING ABRADING BITS RANDOMLY PLACED ON THE SURFACE OF SAID BASE MEMBER TO DEFINE A ROUGHENED SURFACE, (C) A PLURALITY OF INDIVIDUAL DISCONNECTED ELONGATED FILAMENTARY BODIES INTERPOSED BETWEEN THE PARTICLES OF SAID LAYER TO DEFINE A RANDOM ARRAY OF INDIVIDUAL CROSSING ROD LIKE FILAMENTARY BODIES FORMING A REINFORCING MATRIX FOR RETAINING THE PARTICLES OF SAID LAYER FIXED RELATIVE TO ONE ANOTHER REGARDLESS OF THE SIZING OR SPACING THEREOF, (D) AND A LAYER OF BONDING MATERIAL FOR BONDING SAID PARTICLES AND FILAMENTARY BODIES TO SAID BASE MEMBER AND TO EACH OTHER TO FORM SAID COMPOSITE ARTICLE WHEREBY SAID FILAMENTARY BODIES AND BASE PORTION ONLY OF SAID PARTICLES ARE EMBEDDED IN SAID LAYER OF BONDING MATERIAL.
Claim 2
Dependent Claim
133 words
A COMPOSITE ARTICLE OF MANUFACTURE COMPRISING IN COMBINATION; (A) A SOLID SUPPORTING BASE MEMBER, (B) A LAYER OF PARTICLES DEFINING ABRADING BITS RANDOMLY PLACED ON THE SURFACE OF SAID BASE MEMBER TO DEFINE A ROUGHENED SURFACE, (C) A PLURALITY OF INDIVIDUAL DISCONNECTED ELONGATED FILAMENTARY BODIES INTERPOSED BETWEEN THE PARTICLES OF SAID LAYER TO DEFINE A RANDOM ARRAY OF INDIVIDUAL CROSSING ROD LIKE FILAMENTARY BODIES FORMING A REINFORCING MATRIX FOR RETAINING THE PARTICLES OF SAID LAYER FIXED RELATIVE TO ONE ANOTHER REGARDLESS OF THE SIZING OR SPACING THEREOF, (D) AND A LAYER OF BONDING MATERIAL FOR BONDING SAID PARTICLES AND FILAMENTARY BODIES TO SAID BASE MEMBER AND TO EACH OTHER TO FORM SAID COMPOSITE ARTICLE WHEREBY SAID FILAMENTARY BODIES AND BASE PORTION ONLY OF SAID PARTICLES ARE EMBEDDED IN SAID LAYER OF BONDING MATERIAL.
References Cited (Backward Citations)
US1963154A
Cited
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US2284716A
Cited
US2284739A
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US2337445A
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US2527628A
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US2520763A
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US2705194A
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |