← Back to Patent Explorer
US3077882A Expired / Lapsed US ⏱️ 0.0 years remaining

Perforated non-adherent surgical dressing

Assignee: Johnson and Johnson
•
Filing: 1959-02-19
•
Granted: 1963-02-19
•
Expires: 1979-02-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert J Trewella

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:38
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/15577; A61F13/15699; A61F13/01; A61F13/01021; A61F13/51; A61F13/511; A61F2013/00089; A61F2013/00217; A61F2013/00246; A61F2013/00251; A61F2013/00361; A61F2013/00727; A61F2013/00731; A61F2013/00744; 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 14 words
A LAMINATED STRUCTURE COMPRISING: A PREFORATED WATER-INSOLUBLE FILM AND A NON-WOVEN FIBROUS WEB CON-
Claim 2
Dependent Claim 14 words
A LAMINATED STRUCTURE COMPRISING: A PREFORATED WATER-INSOLUBLE FILM AND A NON-WOVEN FIBROUS WEB CON-

References Cited (Backward Citations)

GB191022327A Cited
US1978620A Cited
US2750321A Cited
US2740403A Cited
US2850423A Cited
US2764976A Cited
US2862251A Cited
FR1132933A Cited
US2877765A Cited
US2896618A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-02-18 1966-08-20 1967-02-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-02-18 1970-08-20 1971-02-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-02-18 1974-08-20 1975-02-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag