Patent US6379319B1 successfully refreshed from Google Patents.
US2690987A
Expired / Lapsed
US
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Resin foamed structures and the method of making same
Assignee: Goodyear Tire and Rubber Co
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Filing: 1951-03-22
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Granted: 1954-10-05
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Expires: 1971-03-22
Abstract
No abstract record available.
Inventors
- 👤 Frank A Jeffries
- 👤 William H Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:03
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/14; B29C44/145; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249984; Y10T428/249987; Y10T428/24999; Y10T428/31504; Y10T428/31551; Y10T428/31554; Y10T428/31786; Y10T428/31794
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
78 words
A METHOD OF FABRICATING A LAMINATED STRUCTURE COMPRISING A FOAMED INTERIOR CONFINED BY STRUCTURE WALLS WHICH COMPRISES COATING AT LEAST THE INTERIOR FACES OF SAID WALLS WITH A SUBSTANTIALLY NON-FOAMING COMPOSITION COMPATIBLE WITH THE FOAMABLE MATERIAL OF WHICH SAID FOAMED IN TERIOR IS TO BE FORMED, PLACING SAID FOAMABLE MATERIAL BETWEEN SAID STRUCTURE WALLS, CAUSING SAID MATERIAL TO FOAM UNTIL THE SPACE BETWEEN SAID WALLS IS SUBSTANTIALLY FILLED AND THEN CAUSING SAID COATING AND SAID FOAM TO SET.
Claim 2
Independent Claim
78 words
A METHOD OF FABRICATING A LAMINATED STRUCTURE COMPRISING A FOAMED INTERIOR CONFINED BY STRUCTURE WALLS WHICH COMPRISES COATING AT LEAST THE INTERIOR FACES OF SAID WALLS WITH A SUBSTANTIALLY NON-FOAMING COMPOSITION COMPATIBLE WITH THE FOAMABLE MATERIAL OF WHICH SAID FOAMED IN TERIOR IS TO BE FORMED, PLACING SAID FOAMABLE MATERIAL BETWEEN SAID STRUCTURE WALLS, CAUSING SAID MATERIAL TO FOAM UNTIL THE SPACE BETWEEN SAID WALLS IS SUBSTANTIALLY FILLED AND THEN CAUSING SAID COATING AND SAID FOAM TO SET.
Claim 3
Dependent Claim
37 words
A LAMINATED INTERFOAMED STRUCTURE COMPRISING PRESHAPED STRUCTURE WALLS COATED ON THE INTERIOR SIDES WITH A LOW ACID NUMBER ALKYD RESIN DIISOCYANATE MIXTURE, AND SEPARATED BY AND ADHESIVELY JOINED BY A HIGH ACID NUMBER ALKYD RESIN DIISOCYANATE FOAM.
Claim 4
Dependent Claim
37 words
A LAMINATED INTERFOAMED STRUCTURE COMPRISING PRESHAPED STRUCTURE WALLS COATED ON THE INTERIOR SIDES WITH A LOW ACID NUMBER ALKYD RESIN DIISOCYANATE MIXTURE, AND SEPARATED BY AND ADHESIVELY JOINED BY A HIGH ACID NUMBER ALKYD RESIN DIISOCYANATE FOAM.
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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) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |