US3140968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for helically winding strips on edge under pressure
Assignee: H I THOMPSON FIBERT GLASS Co
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Filing: 1960-01-11
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Granted: 1964-07-14
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Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Hector R Barrios
- 👤 Joseph S Molletta
- 👤 Robert C Nordberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:18
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/974; B; B65; B65H; B65H81/00; B65H81/06; B65H81/08; F05; F05D; F05D2250/00; F05D2250/20; F05D2250/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE METHOD OF FABRICATING A HOLLOW SYMMETRICAL RESIN IMPREGNATED FIBER REINFORCED STRUCTURE IN WHICH THE FIBERS ARE DISPOSED WITH SELECTED INCLINATIONS TO A GIVEN SURFACE OF THE STRUCTURE WHICH INCLUDES THE STEPS OF CUTTING A WOVEN CLOTH WHICH IS COATED WITH A PARTIALLY CURED PHENOLIC RESIN INTO INDIVIDUAL STRIPS WHICH EXTEND DIAGONALLY WITH RESPECT TO THE WEAVE OF THE CLOTH, FORMING A CONTINUOUS DOUBLE LAYERED STRIP FROM THE INDIVIDUAL STRIPS, PRESSING THE DOUBLE LAYERED STRIPS TOGETHER TO ESTABLISH ADHESION BETWEEN THE STRIPS, WINDING THE DOUBLE LAYERED STRIPS HELICALLY UPON A CENTRAL FORM WITH THE STRIP BEING MAINTAINED EDGEWISE WITH RESPECT TO THE FORM AND ADJACENT FLAT SIDES OF THE STRIPS BEING TOGETHER, CONTINUALLY UNIFORMLY COMPRESSING THE WOUND STRUCTURE TO PRODUCE
Claim 2
Independent Claim
120 words
THE METHOD OF FABRICATING A HOLLOW SYMMETRICAL RESIN IMPREGNATED FIBER REINFORCED STRUCTURE IN WHICH THE FIBERS ARE DISPOSED WITH SELECTED INCLINATIONS TO A GIVEN SURFACE OF THE STRUCTURE WHICH INCLUDES THE STEPS OF CUTTING A WOVEN CLOTH WHICH IS COATED WITH A PARTIALLY CURED PHENOLIC RESIN INTO INDIVIDUAL STRIPS WHICH EXTEND DIAGONALLY WITH RESPECT TO THE WEAVE OF THE CLOTH, FORMING A CONTINUOUS DOUBLE LAYERED STRIP FROM THE INDIVIDUAL STRIPS, PRESSING THE DOUBLE LAYERED STRIPS TOGETHER TO ESTABLISH ADHESION BETWEEN THE STRIPS, WINDING THE DOUBLE LAYERED STRIPS HELICALLY UPON A CENTRAL FORM WITH THE STRIP BEING MAINTAINED EDGEWISE WITH RESPECT TO THE FORM AND ADJACENT FLAT SIDES OF THE STRIPS BEING TOGETHER, CONTINUALLY UNIFORMLY COMPRESSING THE WOUND STRUCTURE TO PRODUCE
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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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |