US3019201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of making porous applicator structures
Assignee: Carters Ink Co
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Filing: 1959-06-08
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Granted: 1962-01-30
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Expires: 1979-06-08
Abstract
No abstract record available.
Inventors
- 👤 John J Clancy
- 👤 John W Rafferty
- 👤 Robert C Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:29
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/28; B; B41; B41C; B41C3/00; B41C3/04; C08J2201/00; C08J2201/04; C08J2201/05; C08J2201/0502; C08J2321/00; Y; Y10; Y10S; Y10S521/00; Y10S521/919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
THE METHOD OF MAKING A POROUS APPLICATOR STRUCTURE COMPRISING FORMING A SLURRY OF GENERALLY SPHERICAL PARTICLES OF RUBBERLIKE MATERIAL OF WHICH AT LEAST 90 PERCENT BY WEIGHT IS CONSTITUTED BY PARTICLES BETWEEN 0.001 AND 0.01 INCH DIAMETER, AND A LIQUID WHICH DOES NOT SUBTIALLY COACT WITH SAID PARTICLES TO CAUSE A CHANGE TO THEIR DIMENSIONS OR SHAPE, SAID LIQUID INCLUDING A BINDER FOR SAID MATERIAL, MOLDING SAID SLURRY, REMOVING SAID LIQUID FROM SAID SLURRY LEAVING THE BINDER TO CAUSE THE PARTICLES HEATING SAID PARTICLES AND BINDER TO CAUSE THE PARTICLES TO ADHERE AND BECOME AN INTEGRATED SOLID STRUCTURE UNDER SUFFICIENTLY LOW PRESSURE AND TEMPERATURE THAT THE PARTIVLES MAINTAIN THEIR GENERALLY SPHERICAL CHARACTER AND FORM BETWEEN THEM AN INTERSPHERE REGION OF CAPILLARY DIMENSIONS.
Claim 2
Dependent Claim
33 words
THE METHOD DEFINED BY CLAIM 3 WHEREIN THE RUBBERLIKE MATERIAL IS A COPOLYMER OF BUTADIENE AND ACRYLONITRILE, CONTAINING ABOUT 40 PERCENT BY WEIGHT OF ACRYLONITRILE, AND THE BINDER IS A PHENOL FORMALDEHYDE RESIN.
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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |