Patent US3289371A successfully refreshed from Google Patents.
US3289371A
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Reinforced composites and method for producing the same
Assignee: Owens Corning
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Filing: 1961-09-01
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Granted: 1966-12-06
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Expires: 1981-09-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Pearson
- 👤 Homer W Duffee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:15
CPC Classifications
E; E04; E04D; E04D7/00; B; B28; B28B; B28B19/00; B28B19/0092; B28C; B28C5/00; B28C5/40; B28C5/404; E04F; E04F13/00; E04F13/02; E04F13/04; E04F13/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A GYPSUM DECK HAVING A REINFORCED UPPER SURFACE COMPRISING: SUPPORTING MEMBERS, A BASE FOR SAID GYPSUM DECK EXTENDING BETWEEN SAID SUPPORTING MEMBERS, A LAYER OF GYPSUM COVERING SAID SUPPORTING MEMBERS AND BASE, GLASS FIBERS DISTRIBUTED AND EMBEDDED IN A RELATIVELY THIN REGION AT THE EXPOSED SURFACE OF SAID GYPSUM IN SUFFICIENT CONCENTRATION AS REINFORCEMENT TO IMPART STRENGTH TO SAID SURFACE AGAINST CRACKING.
Claim 2
Dependent Claim
62 words
A GYPSUM DECK HAVING A REINFORCED UPPER SURFACE COMPRISING: SUPPORTING MEMBERS, A BASE FOR SAID GYPSUM DECK EXTENDING BETWEEN SAID SUPPORTING MEMBERS, A LAYER OF GYPSUM COVERING SAID SUPPORTING MEMBERS AND BASE, GLASS FIBERS DISTRIBUTED AND EMBEDDED IN A RELATIVELY THIN REGION AT THE EXPOSED SURFACE OF SAID GYPSUM IN SUFFICIENT CONCENTRATION AS REINFORCEMENT TO IMPART STRENGTH TO SAID SURFACE AGAINST CRACKING.
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |