Patent US3033729A successfully refreshed from Google Patents.
US3033729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of continuously making glassreinforced plastic tubing
Assignee: Individual
•
Filing: 1957-08-05
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Granted: 1962-05-08
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Expires: 1977-08-05
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Shobert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/50; B29C70/52; Y; Y10; Y10S; Y10S138/00; Y10S138/02; Y10S273/00; Y10S273/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE METHOD OF CONTINUOUSLY FABRICATING GLASS FIBER REINFORCED PLASTIC ROD COMPRISING THE STEPS OF CONTINUOUSLY DRAWING A PLURALITY OF GLASS THREADS UNDER TENSION ALONG A GIVEN PATH AND IN A GIVEN DIRECTION, COATING SAID THREAS WITH A BONDING MATERIAL AS THEY TRAVERSE A FIRST LOCATION, GATHERING SAID THREADS AS THEY TRAVERSE A SECOND LOCATION INTO AN ELONGATED BUNDLE, SAID THREADS BEING ARRANGED SUBSTANTIALLY PARALLEL, PARTIALLY CURING THE BONDING MATERIAL IN SAID BUNDLE AS IT TRAVERSES A THIRD LOCATION TO SECURE SAID THREADS TOGETHER AND TO PROVIDE A PARTIALLY CURED SELF-SUPPORTING BUNDLE, APPLYING A BRAID OF GLASS THREADS TO SAID PARTIALLY CURED BUNDLE AS IT TRAVERSES A FOURTH LOCATION TO PROVIDE A COMPOSITE BUNDLE, THE PARTIALLY CURED BONDING MATERIAL OF THE BUNDLE IMPREGNATING THE BRAIDED THREADS, AND COMPLETING THE CURE OF SAID BONDING MATERIAL AS THE COMPOSITE BUNDLE TRAVERSES A FIFTH LOCATION.
Claim 2
Independent Claim
141 words
THE METHOD OF CONTINUOUSLY FABRICATING GLASS FIBER REINFORCED PLASTIC ROD COMPRISING THE STEPS OF CONTINUOUSLY DRAWING A PLURALITY OF GLASS THREADS UNDER TENSION ALONG A GIVEN PATH AND IN A GIVEN DIRECTION, COATING SAID THREAS WITH A BONDING MATERIAL AS THEY TRAVERSE A FIRST LOCATION, GATHERING SAID THREADS AS THEY TRAVERSE A SECOND LOCATION INTO AN ELONGATED BUNDLE, SAID THREADS BEING ARRANGED SUBSTANTIALLY PARALLEL, PARTIALLY CURING THE BONDING MATERIAL IN SAID BUNDLE AS IT TRAVERSES A THIRD LOCATION TO SECURE SAID THREADS TOGETHER AND TO PROVIDE A PARTIALLY CURED SELF-SUPPORTING BUNDLE, APPLYING A BRAID OF GLASS THREADS TO SAID PARTIALLY CURED BUNDLE AS IT TRAVERSES A FOURTH LOCATION TO PROVIDE A COMPOSITE BUNDLE, THE PARTIALLY CURED BONDING MATERIAL OF THE BUNDLE IMPREGNATING THE BRAIDED THREADS, AND COMPLETING THE CURE OF SAID BONDING MATERIAL AS THE COMPOSITE BUNDLE TRAVERSES A FIFTH LOCATION.
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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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |