US3578532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding apparatus for forming t-shaped fittings
Assignee: HERBERT V THADEN
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Filing: 1968-11-04
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Granted: 1971-05-11
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Expires: 1988-11-04
Abstract
Abstract WINDING TABLE, AND SECOND CONTROL MEANS SERVE TO VERTICALLY ADJUST THE ROVING GUIDE MEANS RELATIVE TO WINDING TABLE, WHEREBY AN IMPROVED STRUCTURALLY STRENGTHENED T-SHAPED OBJECT IS PRODUCED. WINDING APPARATUS FOR FORMING T-SHAPED FITTINGS FROM CONTINUOUS RESIN-IMPREGNATED GLASS FIBER STOCK, CHARACTERIZED IN THAT MEANS ARE PROVIDED FOR WINDING "FIGURE 8" TURNS ABOUT THE CROTCH AREAS BETWEEN THE STEM AND ARM PORTIONS OF A T-SHAPED MANDREL. IN ACCORDANCE WITH INVENTION, FIRST CONTROL MEANS ARE PROVIDED FOR VERTICALLY DISPLACING THE MATERIAL RELATIVE TO THE CONTINUOUSLY DRIVEN
Inventors
- 👤 Herbert V Thaden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:16
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |