Patent US3041193A successfully refreshed from Google Patents.
US3041193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making suede-like plastic sheeting
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1957-08-29
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Granted: 1962-06-26
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Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 Edward G Hamway
- 👤 Edwards Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:46
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/007; D06N3/0075; B; B29; B29C; B29C44/00; B29C44/20; B29C44/32; B29C44/321; B32; B32B; B32B27/00; D06N3/04; D06N3/06; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/23979; Y10T428/24; Y10T428/24355; Y10T428/24471; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249976; Y10T428/249977; Y10T428/26; Y10T428/266
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A METHOD OF PRODUCING A POROUS SUEDE-LIKE LAYER ON A FIBROUE SUPPORTING MATERIAL CONSISTING ESSENTIALLY OF THE STEPS OF APPLYING AS A COATING TO A SURFACE OF THE MATERIAL A LIQUID POLYVINYL HALIDE COMPOSITION CONSISTING, EXCEPT FOR COMPOUNDING INGREDIENTS, SESSENTIALLY OF PARTICLELS OF A POLYVINYL HALIDE RESIN SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE RESINS, POLYVINYLIDENE CHLORIDE RESINS, VINYL CHLORIDE-VINYL ACETATE COPOLYMER RESINS, VINYL CHLORIDE-VINYKIDENE CHLORIDE COPOOLYMER RESINS, VINYL CHLORIDE-DIETHYL MALEATE COPOLYMER RESINS AND POLUVINYL BUTYRAL CHLORIDE RESINS, A PLASTICIZER FOR THE RESIN AND A BLOWING AGENT, HEATING THE COMPOSITION TO CAUSE RELEASE OF GAS BY THE BLOWING AGENT AND FUSION OF THE RESIN PARTICLES WITH THE PLASTICIZER TO FORM A FLEXIBLE CELLULAR LAYER OVER THE MATERIAL, COOLING THE LAYER BELOW ITS FUSION TEMPERATURE AND THEREAFTER ABRADING THE EXPOSED SURFACE OF THE LAYER TO PRODUCE THEREON A SUEDE-LIKE FINISH FREE OF FIBROUS PARTICLES.
Claim 2
Independent Claim
144 words
A METHOD OF PRODUCING A POROUS SUEDE-LIKE LAYER ON A FIBROUE SUPPORTING MATERIAL CONSISTING ESSENTIALLY OF THE STEPS OF APPLYING AS A COATING TO A SURFACE OF THE MATERIAL A LIQUID POLYVINYL HALIDE COMPOSITION CONSISTING, EXCEPT FOR COMPOUNDING INGREDIENTS, SESSENTIALLY OF PARTICLELS OF A POLYVINYL HALIDE RESIN SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE RESINS, POLYVINYLIDENE CHLORIDE RESINS, VINYL CHLORIDE-VINYL ACETATE COPOLYMER RESINS, VINYL CHLORIDE-VINYKIDENE CHLORIDE COPOOLYMER RESINS, VINYL CHLORIDE-DIETHYL MALEATE COPOLYMER RESINS AND POLUVINYL BUTYRAL CHLORIDE RESINS, A PLASTICIZER FOR THE RESIN AND A BLOWING AGENT, HEATING THE COMPOSITION TO CAUSE RELEASE OF GAS BY THE BLOWING AGENT AND FUSION OF THE RESIN PARTICLES WITH THE PLASTICIZER TO FORM A FLEXIBLE CELLULAR LAYER OVER THE MATERIAL, COOLING THE LAYER BELOW ITS FUSION TEMPERATURE AND THEREAFTER ABRADING THE EXPOSED SURFACE OF THE LAYER TO PRODUCE THEREON A SUEDE-LIKE FINISH FREE OF FIBROUS PARTICLES.
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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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |