Patent US5702451A successfully refreshed from Google Patents.
US3134138A
Expired / Lapsed
US
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Method and apparatus for forming plastic webs
Assignee: Individual
•
Filing: 1962-03-22
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Granted: 1964-05-26
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Expires: 1982-03-22
Abstract
No abstract record available.
Inventors
- 👤 Pufahl Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:14
CPC Classifications
B; B44; B44F; B44F11/00; B29; B29C; B29C53/00; B29C53/22; B29C53/24; Y; Y10; Y10S; Y10S264/00; Y10S264/70; Y10S425/00; Y10S425/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN APPARATUS FOR MANUFACTURING AN OPEN MESH FROM A PLASTIC MATERIAL, IN COMBINATION, A SOURCE OF A SOLUTION OF SAID MATERIAL, MEANS FORMING A MIXING CHAMBER HAVING AN OUTLET, MEANS TO FORCE SAID SOLUTION FROM SAID SOURCE THROUGH SAID CHAMBER, MEANS INCLUDING AMIXING NOZZLE WITHIN SAID CHAMBER ADAPTED TO INJECT A FLUID INTO SAID SOLUTION FOR CREATING A SOFT FIBROUS MASS, A PAIR OF COOPERATIVE FORMING ROLLS HAVING CONFORMATIONS ADAPTED TO FORM A WEB HAVING A PRE-DETERMINED PATTERN OF INTERCONNECTED RIBS, MEANS TO DRIVE SAID ROLLS, A SPREADING NOZZLE CONNECTED TO SAID OUTLET OF SAIDMIXING CHAMBER AND ADAPTED TO DELIVER SAID MASS TO SAID ROLLS WHEREBY SAID ROLLS MAY CONVET SAID MASS TO SAID WEB, MEANS TO STRIP SAID WEB FROM SAID ROLLS, AND MEANS TO CURE SAID MESHED WEB.
Claim 2
Dependent Claim
130 words
IN APPARATUS FOR MANUFACTURING AN OPEN MESH FROM A PLASTIC MATERIAL, IN COMBINATION, A SOURCE OF A SOLUTION OF SAID MATERIAL, MEANS FORMING A MIXING CHAMBER HAVING AN OUTLET, MEANS TO FORCE SAID SOLUTION FROM SAID SOURCE THROUGH SAID CHAMBER, MEANS INCLUDING AMIXING NOZZLE WITHIN SAID CHAMBER ADAPTED TO INJECT A FLUID INTO SAID SOLUTION FOR CREATING A SOFT FIBROUS MASS, A PAIR OF COOPERATIVE FORMING ROLLS HAVING CONFORMATIONS ADAPTED TO FORM A WEB HAVING A PRE-DETERMINED PATTERN OF INTERCONNECTED RIBS, MEANS TO DRIVE SAID ROLLS, A SPREADING NOZZLE CONNECTED TO SAID OUTLET OF SAIDMIXING CHAMBER AND ADAPTED TO DELIVER SAID MASS TO SAID ROLLS WHEREBY SAID ROLLS MAY CONVET SAID MASS TO SAID WEB, MEANS TO STRIP SAID WEB FROM SAID ROLLS, AND MEANS TO CURE SAID MESHED WEB.
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |