Patent US2479908A successfully refreshed from Google Patents.
Patent US3235530A successfully refreshed from Google Patents.
US3235530A
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US
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Asbestos fiber reinforced molding material, molded articles and methods of making same
Assignee: Johns Manville Corp
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Filing: 1960-10-06
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Granted: 1966-02-15
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Expires: 1980-10-06
Abstract
No abstract record available.
Inventors
- 👤 Robert T Crouch
- 👤 Charles H Barger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:52
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; Y; Y10; Y10S; Y10S264/00; Y10S264/19; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31652; Y10T428/31659; Y10T428/31786; Y10T428/3179
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A MOLDED FIBER REINFORCED PLASTIC ARTICLE WHICH IS FLUID OPAQUE, COMPRISING SECTIONS OF ASBESTOS FIBER PAPER FIXED IN A MATRIX OF THERMOSET SYNTHETIC RESIN, THE RESIN CONSTITUTING BETWEEN ABOUT 40 AND ABOUT 65% BY WEIGHT OF THE ARTICLE WITH THE REMAINDER THEREOF BEING SAID ASBESTOS PAPER, SIAD ASBESTOS PAPER BEING COMPOSED OF AT LEAST 90% BY WEIGHT OF REINFORCING FIBERS CONSISTING ESSENTIALLY OF ASBETOS FIBERS, SAID ASBESTOS FIBERS BEING HARSH ASBESTOS FIBERS.
Claim 2
Dependent Claim
72 words
A MOLDED FIBER REINFORCED PLASTIC ARTICLE WHICH IS FLUID OPAQUE, COMPRISING SECTIONS OF ASBESTOS FIBER PAPER FIXED IN A MATRIX OF THERMOSET SYNTHETIC RESIN, THE RESIN CONSTITUTING BETWEEN ABOUT 40 AND ABOUT 65% BY WEIGHT OF THE ARTICLE WITH THE REMAINDER THEREOF BEING SAID ASBESTOS PAPER, SIAD ASBESTOS PAPER BEING COMPOSED OF AT LEAST 90% BY WEIGHT OF REINFORCING FIBERS CONSISTING ESSENTIALLY OF ASBETOS FIBERS, SAID ASBESTOS FIBERS BEING HARSH ASBESTOS FIBERS.
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |