US3246969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive coated backing of linear polymono-alpha-olefinic hydrocarbon
Assignee: 3M Co
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Filing: 1959-10-07
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Granted: 1966-04-19
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Expires: 1979-10-07
Abstract
No abstract record available.
Inventors
- 👤 Harland D Embree
- 👤 Doyle Robert Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:00
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; B; B24; B24D; B24D11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A COATED ABRASIVE SHEET MATERIAL COPRISING IN COMBINATION A SUBSTANTIALLY LINEAR POLY-MONO-ALPHA-OLEFINIC HYDROCARBON BACKING CAPABLE OF RESISTING TEMPERATURES OF AT LEAST 85*C. WITHOUT DISTORTING, A STRONG HARDENED BOND ADHESIVE DIFFERING IN COMPOSITION FROM SAID BACKING AND FIRMLY ADHERED THERETO, AND A MULTIPLICITY OF ABRASIVE GRANULES FIRMLY AFFIXED TO SAID BACKING BY SAID ADHESIVE.
Claim 2
Dependent Claim
53 words
A COATED ABRASIVE SHEET MATERIAL COPRISING IN COMBINATION A SUBSTANTIALLY LINEAR POLY-MONO-ALPHA-OLEFINIC HYDROCARBON BACKING CAPABLE OF RESISTING TEMPERATURES OF AT LEAST 85*C. WITHOUT DISTORTING, A STRONG HARDENED BOND ADHESIVE DIFFERING IN COMPOSITION FROM SAID BACKING AND FIRMLY ADHERED THERETO, AND A MULTIPLICITY OF ABRASIVE GRANULES FIRMLY AFFIXED TO SAID BACKING BY SAID ADHESIVE.
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |