US2602037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireproof laminated resins
Assignee: Uniroyal Inc
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Filing: 1950-12-21
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Granted: 1952-07-01
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Expires: 1970-12-21
Abstract
No abstract record available.
Inventors
- 👤 Robert G Nelb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:14
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C70/00; B29C70/003; C; C04; C04B; C04B26/00; C04B26/02; C04B26/10; C04B26/12; C04B26/125; C08; C08J; C08J5/00; C08J5/24; C08J5/241; C08J5/244; B29K; B29K2309/00; B29K2309/08; C04B2111/00; C04B2111/00474; C04B2111/00612; C04B2111/20; C04B2111/28; C08J2367/00; C08J2367/06; Y; Y10; Y10S; Y10S264/00; Y10S264/53; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/3162; Y10T428/31627; Y10T428/31786; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3569
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
A METHOD OF MAKING A STRUCTURALLY STRONG LAMINAR PRODUCT WHICH COMPRISES IMPREGNATING A CENTRAL LAYER OF ONE OR MORE PLIES OF GLASS CLOTH WITH A LIQUID MIXTURE OF AN UNSATURATED ALKYD RESIN AND A COPOLYMERIZABLE ETHYLENIC COMPOUND, AND APPLYING THERETO A FACING OF ONE OR MORE PLIES OF GLASS CLOTH IMPREGNATED WITH A FORMALDEHYDE-MELAMINE RESIN, TO FORM A COMPOSITE CONSTRUCTION, AND THEN CURING THE ASSEMBLED LAMINAR STRUCTURE TO HARDEN THE RESPECTIVE RESIN BINDERS AND ADHESIVELY BOND THE PLIES TOGETHER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |