Patent US3664909A successfully refreshed from Google Patents.
US3664909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needled resin fibrous article
Assignee: Azdel Inc
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Filing: 1970-03-25
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Granted: 1972-05-23
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Expires: 1990-03-25
Abstract
Abstract Fibrous mats comprised of unstranded filaments that are free to move relative to each other and fibrous mats comprised of fibrous strands that are free to move relative to each other, as well as combinations thereof, are impregnated with resin and subsequently molded into resinous products.
Inventors
- 👤 Richard H Ackley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:38
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B32B27/00; B32B27/12; B32B27/32; B32B27/34; B32B5/02; B32B5/022; B32B5/06; D; D04; D04H; D04H1/00; B29K; B29K2023/00; B29K2077/00; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0854; B32B2262/00; B32B2262/10; B32B2262/101; B32B2379/00; B32B2379/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T442/00; Y10T442/60; Y10T442/659; Y10T442/666; Y10T442/667; Y10T442/67; Y10T442/682
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
76 words
A stampable reinforced thermoplastic resinous sheet product containing therein a mat of fibrous strands and a mat of unstranded filaments disposed one above the other, and in which said unstranded filaments are free to move relative to each other when the resin is in a flowable state, said mat of unstranded filaments is comprised of glass filaments, said mat of unstranded filaments comprises filaments of substantially continuous length and said mat of unstranded filaments is needled.
Claim 2
Dependent Claim
75 words
A stampable reinforced thermoplastic resinous sheet product containing therein a mat of fibrous strands and a mat of unstranded filaments disposed one above the other, and in which said unstranded filaments are free to move relative to each other when the resin is in a flowable state, said mat of unstranded filaments is comprised of glass filaments, said mat of unstranded filaments comprises filaments of staple length and said mat of unstranded filaments is needled.
Claim 3
Dependent Claim
79 words
A stampable reinforced thermoplastic resinous sheet product containing therein a mat of fibrous strands and a mat of unstranded filaments disposed one above the other, and in which said unstranded filaments are free to move relative to each other when the resin is in a flowable state, said mat of unstranded filaments is comprised of glass filaments, said mat of unstranded filaments comprises filaments that are permanently crimped along their length and said mat of unstranded filaments is needled.
Claim 4
Dependent Claim
82 words
A stampable reinforced thermoplastic resinous sheet product containing therein a mat of fibrous strandS and a mat of unstranded filaments disposed one above the other, and in which said unstranded filaments are free to move relative to each other when the resin is in a flowable state, said mat of unstranded filaments is comprised of glass filaments, said mat of unstranded filaments comprises filaments having a diameter of from about 0.00003 - 0.002 inch and said mat of unstranded filaments is needled.
Claim 5
Dependent Claim
121 words
A stampable reinforced thermoplastic resinous sheet product containing therein a mat of fibrous strands and a mat of unstranded filaments disposed one above the other, and in which said unstranded filaments are free to move relative to each other when the resin is in a flowable state, said mat of unstranded filaments is comprised of glass filaments, said mat of unstranded filaments resides adjacent a major surface of said product, the strands comprising said mat of fibrous strands are free to move relative to each other when the resin is in a flowable state, said mat of fibrous strands comprises glass strands, said mat of fibrous strands comprises strands of substantially continuous length and said mat of fibrous strands is needled.
Claim 6
Dependent Claim
120 words
A stampable reinforced thermoplastic resinous sheet product containing therein a mat of fibrous strands and a mat of unstranded filaments disposed one above the other, and in which said unstranded filaments are free to move relative to each other when the resin is in a flowable state, said mat of unstranded filaments is comprised of glass filaments, said mat of unstranded filaments resides adjacent a major surface of said product, the strands comprising said mat of fibrous strands are free to move relative to each other when the resin is in a flowable state, said mat of fibrous strands comprises glass strands, said mat of fibrous strands comprises strands of staple length and said mat of fibrous strands is needled.
Claim 7
Dependent Claim
117 words
A stampable reinforced thermoplastic resinous sheet product containing therein a mat of fibrous strands and a mat of unstranded filaments disposed one above the other, and in which said unstranded filaments are free to move relative to each other when the resin is in a flowable state, said mat of unstranded filaments is comprised of glass filaments, said mat of unstranded filaments resides adjacent a major surface of said product, the strands comprising said mat of fibrous strands are free to move relative to each other when the resin is in a flowable state, said mat of fibrous strands comprises glass strands and said mat of fibrous strands and said mat of unstranded filaments are both needled.
Claim 8
Dependent Claim
115 words
A stampable reinforced thermoplastic resinous sheet product containing therein a mat of fibrous strands and a mat of unstranded filaments disposed one above the other, and in which said unstranded filaments are free to move relative to each other when the resin is in a flowable state, said mat of fibrous strands resides adjacent a major surface of said product, said mat of fibrous strands comprises glass strands, said fibrous strands are free to move relative to each other when the resin is in a flowable state, said fibrous strands are randomly oriented in said mat thereof, said mat of fibrous strands comprises strands of staple length and said mat of fibrous strands is needled.
Claim 9
Dependent Claim
124 words
A stampable reinforced thermoplastic resinous sheet product containing therein a mat of fibrous strands and a mat of unstranded filaments disposed one above the other, and in which said unstranded filaments are free to move relative to each other when the resin is in a flowable state, said mat of fibrous strands resides adjacent a major surface of said product, said mat of fibrous strands comprises glass strands, said fibrous strands are free to move relative to each other when the resin is in a flowable state, said fibrous strands are randomly oriented in said mat thereof, said mat of fibrous strands comprises strands of continuous length, said mat of fibrous strands is a swirl mat and said mat of fibrous strands is needled.
Claim 10
Dependent Claim
60 words
A stampable reinforced thermoplastic resinous sheet product containing therein a mat of fibrous strands and a mat of unstranded filaments disposed one above the other in which said unstranded filaments are free to move relative to each other when the resin is in a flowable state and said mat of unstranded filaments is needled to said mat of fibrous strands.
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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) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |