US2760896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making high-pressure non-metallic tubing
Assignee: American Fixture Inc
•
Filing: 1952-05-19
•
Granted: 1956-08-28
•
Expires: 1972-05-19
Abstract
No abstract record available.
Inventors
- 👤 John J Nash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:28
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/80; B29C53/84; B29C53/845; B29C53/56; B29C53/562; B29C53/8008; B29C53/8066; B29C53/82; B29C53/821; B29C53/824
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE METHOD OF MAKING NON-METALLIC PIPING AND TUBING WHICH COMPRISES IMPREGNATING A WEB OF WOVEN FIBER GLASS WITH A LIQUID CONTAINING A THERMOSETTING RESIN, COVERING A MANDREL WITH A SPIRAL WINDING OF WAX COATED PAPER TAPE, WINDING THE WEB UPON THE COVERED MANDREL, SEVERING THE UNWOUND PORTION OF THE WEB FROM THE WIND-
Claim 2
Independent Claim
53 words
THE METHOD OF MAKING NON-METALLIC PIPING AND TUBING WHICH COMPRISES IMPREGNATING A WEB OF WOVEN FIBER GLASS WITH A LIQUID CONTAINING A THERMOSETTING RESIN, COVERING A MANDREL WITH A SPIRAL WINDING OF WAX COATED PAPER TAPE, WINDING THE WEB UPON THE COVERED MANDREL, SEVERING THE UNWOUND PORTION OF THE WEB FROM THE WIND-
References Cited (Backward Citations)
US1284298A
Cited
US1996951A
Cited
US1975515A
Cited
US2074580A
Cited
US2130586A
Cited
US2360109A
Cited
US2279630A
Cited
US2318056A
Cited
US2402038A
Cited
US2434465A
Cited
US2467999A
Cited
US2606269A
Cited
US2690413A
Cited
US2609319A
Cited
US2643700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |