US2748048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic structural member
Assignee: RUSSELL REFINFORCED PLASTICS C
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Filing: 1954-03-30
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Granted: 1956-05-29
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Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/26; B29C66/00; B29C66/004; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/433; B29C66/438; B29C66/70; B29C66/72; B29C66/721; B29C66/7214; B29C66/72141; B29C66/73; B29C66/737; B29C66/7375; B29C66/73755; B29C66/73756; B29C66/739; B29C66/7394; B29C66/73941; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C65/00; B29C65/02; B29C65/18; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/53261; B29C66/71; B29C66/7212; B29C66/7392; B29C66/73921; B29C66/832; B29C66/8322; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T428/00; Y10T428/24; Y10T428/24132; Y10T428/24479; Y10T428/24562; Y10T428/24744; Y10T428/24752; Y10T428/24802; Y10T428/29; Y10T428/2913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE METHOD OF FORMING A PLASTIC STRUCTURAL MEMBER WHICH COMPRISES THE STEPS OF SUPERIMPOSING TWO LAYERS OF RESIN WITH A STRIP OF MATERIAL NON-ADHERENT TO SAID RESIN OF LESS WIDTH THAN SAID LAYERS OF RESIN INTERPOSED THEREBETWEEN, SAID LAYERS OF RESIN EXTENDING BEYOND THE LONGITUDINAL EDGES OF SAID NON-ADHERENT STRIP, BONDING THE LONGITUDINAL EDGES OF SAID RESINOUS LAYERS TOGETHER WITH A POCKET EXTENDING LONGITUDINALLY BETWEEN SAID BONDED EDGE PORTIONS, SEPARATING SAID POCKET PORTIONS, AND CURVING THEM SYMMETRICALLY FROM THE LONGITUDINAL CENTER THEREOF TO EACH LONGITUDINAL EDGE OF SAID LAMINATE.
Claim 2
Independent Claim
89 words
THE METHOD OF FORMING A PLASTIC STRUCTURAL MEMBER WHICH COMPRISES THE STEPS OF SUPERIMPOSING TWO LAYERS OF RESIN WITH A STRIP OF MATERIAL NON-ADHERENT TO SAID RESIN OF LESS WIDTH THAN SAID LAYERS OF RESIN INTERPOSED THEREBETWEEN, SAID LAYERS OF RESIN EXTENDING BEYOND THE LONGITUDINAL EDGES OF SAID NON-ADHERENT STRIP, BONDING THE LONGITUDINAL EDGES OF SAID RESINOUS LAYERS TOGETHER WITH A POCKET EXTENDING LONGITUDINALLY BETWEEN SAID BONDED EDGE PORTIONS, SEPARATING SAID POCKET PORTIONS, AND CURVING THEM SYMMETRICALLY FROM THE LONGITUDINAL CENTER THEREOF TO EACH LONGITUDINAL EDGE OF SAID LAMINATE.
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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |