US3240658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber reinforced plastic material and method of preparing
Assignee: Johns Manville Corp
•
Filing: 1960-05-18
•
Granted: 1966-03-15
•
Expires: 1980-05-18
Abstract
No abstract record available.
Inventors
- 👤 Jesse L Tucker
- 👤 Barnett Irvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:54
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/128; B29K2307/00; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2631
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PLIABLE RESINOUS PRODUCT COMPRISING: A NON-WOVEN FELT OF INDIVIDUAL FIBER BUNDLES IMPREGNATED WITH THERMOSETTING RESIN SOLUTION, THE THERMOSETTING RESIN BEING IN SOLUTION WITH A SOLVENT CARRIER; AND SAID INDIVIDUAL FIBER BUNDLES BEING COMPLETELY ENVELOPED BY SAID SOLUTIONS; AND A FILM ON THE EXTERIOR SURFACES OF SAID FELT, SAID FILM BEING FORMED BY THE PARTIAL CURING OF SAID SOLUTION AT SAID EXTERIOR SURFACES, A SUBSTANTIAL PORTION OF SAID SOLVENT CARRIER BEING ENTRAPPED WITHIN SAID EXTERIOR SURFACES BY SAID FILM WHEREBY HAND MOLDABLE CHARACTERISTICS ARE IMPARTED TO SAID PRODUCT, AND THERE BEING, BY WEIGHT OF THE PRODUCT: 30 TO 65 PERCENT FIBER 15 TO 65 PERCENT RESIN AND AT LEAST 6 PERCENT ENTRAPPED SOLVENT CARRIER.
Claim 2
Dependent Claim
114 words
A PLIABLE RESINOUS PRODUCT COMPRISING: A NON-WOVEN FELT OF INDIVIDUAL FIBER BUNDLES IMPREGNATED WITH THERMOSETTING RESIN SOLUTION, THE THERMOSETTING RESIN BEING IN SOLUTION WITH A SOLVENT CARRIER; AND SAID INDIVIDUAL FIBER BUNDLES BEING COMPLETELY ENVELOPED BY SAID SOLUTIONS; AND A FILM ON THE EXTERIOR SURFACES OF SAID FELT, SAID FILM BEING FORMED BY THE PARTIAL CURING OF SAID SOLUTION AT SAID EXTERIOR SURFACES, A SUBSTANTIAL PORTION OF SAID SOLVENT CARRIER BEING ENTRAPPED WITHIN SAID EXTERIOR SURFACES BY SAID FILM WHEREBY HAND MOLDABLE CHARACTERISTICS ARE IMPARTED TO SAID PRODUCT, AND THERE BEING, BY WEIGHT OF THE PRODUCT: 30 TO 65 PERCENT FIBER 15 TO 65 PERCENT RESIN AND AT LEAST 6 PERCENT ENTRAPPED SOLVENT CARRIER.
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |