US3140572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical dressing packaging
Assignee: American White Cross Laboratories Inc
•
Filing: 1957-09-17
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Granted: 1964-07-14
•
Expires: 1977-09-17
Abstract
No abstract record available.
Inventors
- 👤 Petersen William
- 👤 Lawrence B Wallerstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:10
CPC Classifications
A; A61; A61F; A61F15/00; A61F15/001; B; B65; B65B; B65B9/00; B65B9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A PACKAGING MACHINE FOR PREPARED SURGICAL DRESSINGS, COMPRISING FEEDING DEVICES FOR CONTINUOUS STRIPS OF DRESSINGS AND FOR CONTINUOUS COHESIVE COATED WRAPPING STRIPS, WHICH, UPON HEAT AND PRESSURE, WILL FORM AN AIR TIGHT ENCLOSURE AROUND THE DRESSINGS, CUTTERS FOR FEEDING AND CUTTING SAID DRESSINGS, MEANS TO ENGAGE THE CUT DRESSINGS BETWEEN SAID WRAPPING STRIPS, MEANS TO PRESS SAID WRAPPING STRIPS TOGETHER WITH HEAT AND PRESSURE AROUND SAID CUT DRESSINGS AND MEANS TO SCORE THE WRAPPING STRIPS BETWEEN SAID DRESSINGS, AND MEANS FOR ROLLING BACK AND REVERSELY FOLDING THE EDGES AT ONE SIDE OF THE STRIPS.
Claim 2
Dependent Claim
94 words
A PACKAGING MACHINE FOR PREPARED SURGICAL DRESSINGS, COMPRISING FEEDING DEVICES FOR CONTINUOUS STRIPS OF DRESSINGS AND FOR CONTINUOUS COHESIVE COATED WRAPPING STRIPS, WHICH, UPON HEAT AND PRESSURE, WILL FORM AN AIR TIGHT ENCLOSURE AROUND THE DRESSINGS, CUTTERS FOR FEEDING AND CUTTING SAID DRESSINGS, MEANS TO ENGAGE THE CUT DRESSINGS BETWEEN SAID WRAPPING STRIPS, MEANS TO PRESS SAID WRAPPING STRIPS TOGETHER WITH HEAT AND PRESSURE AROUND SAID CUT DRESSINGS AND MEANS TO SCORE THE WRAPPING STRIPS BETWEEN SAID DRESSINGS, AND MEANS FOR ROLLING BACK AND REVERSELY FOLDING THE EDGES AT ONE SIDE OF THE STRIPS.
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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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |