Patent US3296022A successfully refreshed from Google Patents.
US3296022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer saturated backing material
Assignee: Saint Gobain Abrasives Inc
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Filing: 1962-08-13
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Granted: 1967-01-03
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 William F Timmer
- 👤 Nolan A Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:10
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/54; D21H17/55; B; B24; B24D; B24D11/00; B24D11/02; C; C08; C08L; C08L61/00; C08L61/04; C08L61/06; C08L77/00; C08L77/06; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/41; D21H17/47; D21H17/48; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2221; Y10T442/2246
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A FLEXIBLE BACKING FOR COATED ABRASIVES WHICH COMPRISES: (A) A FRIBROUS WEB; AND (B) A SATURANT FOR SAID WEB PRESENT IN AN AMOUNT OF AT LEAST 1% BY WEIGHT OF SAID WEB; (C) SAID SATURANT COMPRISING THE REACTION PRODUCT OF AN ALCOHOL-SOLUBLE NYLON HAVING A DILUTION VALUE OF AT LEAST 33 AND AN INTRINSIC VISCOSITY OF AT LEAST 0.4 WITH A THERMOSETTING, ALKYL-CATALYZED, UNSUBSTITUTED PHENOLIC RESIN; (D) SAID REACTION PRODUCT HAVING A NYLON TO PHENOLIC RESIN RATIO OF FROM 6.33:1 TO 1:1.
Claim 2
Dependent Claim
82 words
A FLEXIBLE BACKING FOR COATED ABRASIVES WHICH COMPRISES: (A) A FRIBROUS WEB; AND (B) A SATURANT FOR SAID WEB PRESENT IN AN AMOUNT OF AT LEAST 1% BY WEIGHT OF SAID WEB; (C) SAID SATURANT COMPRISING THE REACTION PRODUCT OF AN ALCOHOL-SOLUBLE NYLON HAVING A DILUTION VALUE OF AT LEAST 33 AND AN INTRINSIC VISCOSITY OF AT LEAST 0.4 WITH A THERMOSETTING, ALKYL-CATALYZED, UNSUBSTITUTED PHENOLIC RESIN; (D) SAID REACTION PRODUCT HAVING A NYLON TO PHENOLIC RESIN RATIO OF FROM 6.33:1 TO 1:1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |