US3297809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of enclosing an article with a liquid film
Assignee: Individual
•
Filing: 1962-12-13
•
Granted: 1967-01-10
•
Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Wallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:50
CPC Classifications
B; B65; B65B; B65B11/00; B65B11/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE METHOD OF COATING AN ARTICLE INCLUDING THE FOLLOWING STEPS: (A) CONTINUOUSLY EXTRUDING MOLTEN HIGHLY VISCOUS THERMOPLASTIC MATERIAL TO FORM A FILM OF SUBSTANTIAL WIDTH, (B) EXERTING A TENSION FORCE ON THE FILM BEING EXTRUDED AT THE EXTREMITIES OF SAID WIDTH AND THEREBETWEEN TO CAUSE SAID FILM NORMALLY TO BE DISPOSED IN A PLANE, (C) PASSING SAID ARTICLE THROUGH SAID PLANE IN CONTACT WITH A PORTION OF THE WIDTH OF THE FILM LYING WITHIN SAID EXTREMITIES TO DEPOSIT MATERIAL ON AND AROUND THE ARTICLE, SAID MATERIAL IN THE FILM TENDING TO WRAP AROUND THE ARTICLE AND FOLLOW ITS TRAILING EDGES AS IT DEPARTS FROM SAID PLANE AND THEN BREAKING AWAY FROM THE ARTICLE TO RESUME A PATH ALONG SAID PLANE.
Claim 2
Independent Claim
120 words
THE METHOD OF COATING AN ARTICLE INCLUDING THE FOLLOWING STEPS: (A) CONTINUOUSLY EXTRUDING MOLTEN HIGHLY VISCOUS THERMOPLASTIC MATERIAL TO FORM A FILM OF SUBSTANTIAL WIDTH, (B) EXERTING A TENSION FORCE ON THE FILM BEING EXTRUDED AT THE EXTREMITIES OF SAID WIDTH AND THEREBETWEEN TO CAUSE SAID FILM NORMALLY TO BE DISPOSED IN A PLANE, (C) PASSING SAID ARTICLE THROUGH SAID PLANE IN CONTACT WITH A PORTION OF THE WIDTH OF THE FILM LYING WITHIN SAID EXTREMITIES TO DEPOSIT MATERIAL ON AND AROUND THE ARTICLE, SAID MATERIAL IN THE FILM TENDING TO WRAP AROUND THE ARTICLE AND FOLLOW ITS TRAILING EDGES AS IT DEPARTS FROM SAID PLANE AND THEN BREAKING AWAY FROM THE ARTICLE TO RESUME A PATH ALONG SAID PLANE.
References Cited (Backward Citations)
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US2599493A
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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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |