US3223567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of making a non-adherent dressing
Assignee: Johnson and Johnson
•
Filing: 1962-04-10
•
Granted: 1965-12-14
•
Expires: 1982-04-10
Abstract
No abstract record available.
Inventors
- 👤 Robert J Trewella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:35
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/15577; A61F13/15699; A61F13/00987; A61F13/51; A61F13/511; A61F2013/00089; A61F2013/00217; A61F2013/00246; A61F2013/00251; A61F2013/00361; A61F2013/00727; A61F2013/00731; A61F2013/00855; A61F2013/00859; A61F13/53; A61F13/534; A61F2013/53445; A61F13/539; A61F2013/53908; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD OF MAKING AN ADSORBENT DRESSING WHICH COMPRISES: POSITIONING A FIBROUS STARTING MATERIAL THE INDIVIDUAL FIBERS JOF WHICH ARE CAPABLE OF MOVEMENT UNDER THE INFLUENCE OF AN APPLIED FLUID FORCE IN CONTACT WITH A PERFORATED NON-ADHERENT FILM; REARRANGING THE FIBERS OF SAID FIBROUS MATERIAL INTO A PATTERN OF OPENINGS AND FIBER BUNDLES WITH THE OPENINGS IN REGISTRY WITH THE PERFORATIONS IN SAID NON-ADHERENT FILM AND SAID FIBER BUNDLES EXTENDING BETWEEN AND ABOUT SAID OPENINGS; AND POSITIONING AN ABSORBENT PAD ON THE REARRANGED FIBROUS MATERIAL, WHEREBY THE ABSORBENT PAD IS SPACED FROM THE NON-ADHERENT FILM BY THE THICKNESS OF THE REARRANGED FIBROS MATERIAL.
Claim 2
Independent Claim
103 words
A METHOD OF MAKING AN ADSORBENT DRESSING WHICH COMPRISES: POSITIONING A FIBROUS STARTING MATERIAL THE INDIVIDUAL FIBERS JOF WHICH ARE CAPABLE OF MOVEMENT UNDER THE INFLUENCE OF AN APPLIED FLUID FORCE IN CONTACT WITH A PERFORATED NON-ADHERENT FILM; REARRANGING THE FIBERS OF SAID FIBROUS MATERIAL INTO A PATTERN OF OPENINGS AND FIBER BUNDLES WITH THE OPENINGS IN REGISTRY WITH THE PERFORATIONS IN SAID NON-ADHERENT FILM AND SAID FIBER BUNDLES EXTENDING BETWEEN AND ABOUT SAID OPENINGS; AND POSITIONING AN ABSORBENT PAD ON THE REARRANGED FIBROUS MATERIAL, WHEREBY THE ABSORBENT PAD IS SPACED FROM THE NON-ADHERENT FILM BY THE THICKNESS OF THE REARRANGED FIBROS MATERIAL.
References Cited (Backward Citations)
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US1978620A
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US2538899A
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US2862251A
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US3012918A
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |