US3273987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating fibrous glass yarns
Assignee: Owens Corning
•
Filing: 1961-06-19
•
Granted: 1966-09-20
•
Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Marzocchi Alfred
- 👤 William H Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:09
CPC Classifications
B; B29; B29B; B29B15/00; B29B15/08; B29B15/10; B29B15/12; B29B15/122; C; C03; C03C; C03C25/00; C03C25/10; C03C25/12; B29K; B29K2309/00; B29K2309/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE METHOD OF APPLYING A COATING MATERIAL, OF A TYPE MADE MORE FLUID BY HEAT, TO A YARN WHICH COMPRISES DIRECTING THE YARN ALONG A LINEAR PATH, CONTINUOUSLY APPLYING HEAT TO THE YARN IN A FIRST SECTION OF SUCH PATH TO UNIFORMLY HEAT THE YARN, IN A SECOND SECTION OF THE PATH FOLLOWING IMMEDIATELY THEREAFTER CONTINUOUSLY DEPOSITING COATING MATERIAL UPON THE YARN, SAID MATERIAL BEING FLUIDIZING BY THE HEAT OF THE YARN, AND THEN IN A FINAL SECTION OF THE PATH SETTING THE COATING MATERIAL ON THE YARN.
Claim 2
Independent Claim
88 words
THE METHOD OF APPLYING A COATING MATERIAL, OF A TYPE MADE MORE FLUID BY HEAT, TO A YARN WHICH COMPRISES DIRECTING THE YARN ALONG A LINEAR PATH, CONTINUOUSLY APPLYING HEAT TO THE YARN IN A FIRST SECTION OF SUCH PATH TO UNIFORMLY HEAT THE YARN, IN A SECOND SECTION OF THE PATH FOLLOWING IMMEDIATELY THEREAFTER CONTINUOUSLY DEPOSITING COATING MATERIAL UPON THE YARN, SAID MATERIAL BEING FLUIDIZING BY THE HEAT OF THE YARN, AND THEN IN A FINAL SECTION OF THE PATH SETTING THE COATING MATERIAL ON THE YARN.
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |