Patent US3580761A successfully refreshed from Google Patents.
US3580761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming nonwoven articles by fusing strands to a base
Assignee: Phillips Petroleum Co
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Filing: 1966-12-02
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Granted: 1971-05-25
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Expires: 1986-12-02
Abstract
Abstract 1. A METHOD OF BONDING MELTABLE MATERIAL TO A RECEPTIVE BASE WHICH COMPRISES (A) PASSING AT LEAST ONE STRAND OF SAID MATERIAL THROUGH A HOLLOW, TUBULAR PASSAGE AND THROUGH A RESTRICTED EXTREMITY THEREOF TO PROJECT SAID MATERIAL SLIGHTLY BEYOND SAID EXTREMITY, (B) MELTING AT LEAST A PORTION OF THE PROJECTING MATERIAL, (C) CONTACTING THE THUS MELTED MATERIAL WITH SAID RECEPTIVE BASE TO BOND SAID MATERIAL TO SAID BASE, AND (D) SEPARATING THE PASSAGE AND BASE TO DRAW SAID MATERIAL THROUGH SAID PASSAGE.
Inventors
- 👤 Harold D Boultinghouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:14
CPC Classifications
D; D04; D04H; D04H11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF BONDING MELTABLE MATERIAL TO A RECEPTIVE BASE WHICH COMPRISES (A) PASSING AT LEAST ONE STRAND OF SAID MATERIAL THROUGH A HOLLOW, TUBULAR PASSAGE AND THROUGH A RESTRICTED EXTREMITY THEREOF TO PROJECT SAID MATERIAL SLIGHTLY BEYOND SAID EXTREMITY, (B) MELTING AT LEAST A PORTION OF THE PROJECTING MATERIAL, (C) CONTACTING THE THUS MELTED MATERIAL WITH SAID RECEPTIVE BASE TO BOND SAID MATERIAL TO SAID BASE, AND (D) SEPARATING THE PASSAGE AND BASE TO DRAW SAID MATERIAL THROUGH SAID PASSAGE.
Claim 2
Independent Claim
81 words
A METHOD OF BONDING MELTABLE MATERIAL TO A RECEPTIVE BASE WHICH COMPRISES (A) PASSING AT LEAST ONE STRAND OF SAID MATERIAL THROUGH A HOLLOW, TUBULAR PASSAGE AND THROUGH A RESTRICTED EXTREMITY THEREOF TO PROJECT SAID MATERIAL SLIGHTLY BEYOND SAID EXTREMITY, (B) MELTING AT LEAST A PORTION OF THE PROJECTING MATERIAL, (C) CONTACTING THE THUS MELTED MATERIAL WITH SAID RECEPTIVE BASE TO BOND SAID MATERIAL TO SAID BASE, AND (D) SEPARATING THE PASSAGE AND BASE TO DRAW SAID MATERIAL THROUGH SAID PASSAGE.
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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |