US3232729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible abrasive coated cloth
Assignee: Unifrax I LLC
•
Filing: 1963-05-01
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Granted: 1966-02-01
•
Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 Clayton J Holland
- 👤 Halsey W Buell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:44
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/001; B24D11/005; B24D3/00; B24D3/02; B24D3/20; B24D3/22; B24D3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
FLEXIBLE, ABRASIVE COATED CLOTH WHICH COMPRISES A CLOTH BACKING HAVING A LAYER OF ABRASIVE GRANULES FIRMLY ATTACHED TO ONE FACE THEREOF BY AN ADHESIVE COATING, SAID COATING CONSISTING OF A MAKING COAT LAYER AND A SIZING COAT LAYER, SAID MAKING COAT LAYER CONSISTING ESSENTIALLY OF A MIXTURE OF ANIMAL GLUE, A WATER-SOLUBLE, HIGHBOILING PLASTICIZER, AND AN ELASTOMER, SAID ELASTOMER COMPRISING FROM ABOUT 60% TO ABOUT 80% OF SAID MAKING COAT LAYER.
Claim 2
Dependent Claim
71 words
FLEXIBLE, ABRASIVE COATED CLOTH WHICH COMPRISES A CLOTH BACKING HAVING A LAYER OF ABRASIVE GRANULES FIRMLY ATTACHED TO ONE FACE THEREOF BY AN ADHESIVE COATING, SAID COATING CONSISTING OF A MAKING COAT LAYER AND A SIZING COAT LAYER, SAID MAKING COAT LAYER CONSISTING ESSENTIALLY OF A MIXTURE OF ANIMAL GLUE, A WATER-SOLUBLE, HIGHBOILING PLASTICIZER, AND AN ELASTOMER, SAID ELASTOMER COMPRISING FROM ABOUT 60% TO ABOUT 80% OF SAID MAKING COAT LAYER.
References Cited (Backward Citations)
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Cited
US2024591A
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US2127298A
Cited
US2297959A
Cited
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Cited
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Cited
US2780533A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |