Patent US3236370A successfully refreshed from Google Patents.
US3236370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterile surgical drape
Assignee: Protective Treatments Inc
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Filing: 1961-12-22
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Granted: 1966-02-22
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Pereny Louis
- 👤 Eric G Gibbs
- 👤 Jr Paul Creager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:53
CPC Classifications
A; A61; A61B; A61B46/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A STERILIZABLE PACKAGE CONTAINING A SURGICAL DRAPE FOR COVERING A PATIENT DURING A SURGICAL OPERATION TO PROVIDE A STERILE OPERATING FIELD COMPRISING: A FIRST SHEET OF RELATIVELY THIN HEAT SOFTENABLE PLASTIC DRAPE MATERIAL HAVING A PREDETERMINED LENGTH AND WIDTH, SAID FIRST SHEET BEING ROLLED PRIOR TO USE AND DURING STERILIZATION THEREOF, A SECOND SHEET OF RELATIVELY THIN MOISTURE PERMEABLE MATERIAL INTERLEAVED WITH SAID FIRST SHEET PREVENTING SURFACE TO SURFACE CONTACT OF SAID FIRST SHEET FOR AVOIDING ADHESION OF SAID FIRST SHEET TO ITSELF AT STERILIZING TEMPERATURES, SAID SECOND SHEET HAVING A WIDTH GREATER THAN THE WIDTH OF SAID FIRST SHEET AND THE EDGES OF SAID SECOND SHEET EXTENDING BEYOND THE EDGES OF SAID FIRST SHEET TO PREVENT CONTACT BETWEEN THE EDGES OF SAID ROLLED PLASTIC SHEET, AND AN OUTER MOISTURE VAPOR PERMEABLE WRAPPING ENCLOSING SAID ROLLED FIRST AND SECOND SHEET.
Claim 2
Dependent Claim
140 words
A STERILIZABLE PACKAGE CONTAINING A SURGICAL DRAPE FOR COVERING A PATIENT DURING A SURGICAL OPERATION TO PROVIDE A STERILE OPERATING FIELD COMPRISING: A FIRST SHEET OF RELATIVELY THIN HEAT SOFTENABLE PLASTIC DRAPE MATERIAL HAVING A PREDETERMINED LENGTH AND WIDTH, SAID FIRST SHEET BEING ROLLED PRIOR TO USE AND DURING STERILIZATION THEREOF, A SECOND SHEET OF RELATIVELY THIN MOISTURE PERMEABLE MATERIAL INTERLEAVED WITH SAID FIRST SHEET PREVENTING SURFACE TO SURFACE CONTACT OF SAID FIRST SHEET FOR AVOIDING ADHESION OF SAID FIRST SHEET TO ITSELF AT STERILIZING TEMPERATURES, SAID SECOND SHEET HAVING A WIDTH GREATER THAN THE WIDTH OF SAID FIRST SHEET AND THE EDGES OF SAID SECOND SHEET EXTENDING BEYOND THE EDGES OF SAID FIRST SHEET TO PREVENT CONTACT BETWEEN THE EDGES OF SAID ROLLED PLASTIC SHEET, AND AN OUTER MOISTURE VAPOR PERMEABLE WRAPPING ENCLOSING SAID ROLLED FIRST AND SECOND SHEET.
References Cited (Backward Citations)
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |