US3348890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isolator method and apparatus
Assignee: Snyder Manufacturing Co Inc
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Filing: 1964-08-27
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Granted: 1967-10-24
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Philip C Trexler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:43
CPC Classifications
A; A61; A61G; A61G10/00; A61G10/005; A61G11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
IN A METHOD OF MAKING SANITARY TRANSFER OF A SERIES OF ARTICLES BETWEEN A POSITION INTERIOR OF A CLOSED CHAMBER HAVING A TRANSFER PORT THEREIN AND A POSITION EXTERIOR OF SAID CHAMBER, THE STEPS COMPRISING CLOSING AND SEALING SAID PORT WITH FIRST HEAT SEALABLE PLASTIC MATERIAL MEANSA SIZED TO DEFINE A SPACE FOR RECEIVING AN ARTICLE TO BE TRANSFERRED, INTRODUCING A FIRST ARTICLE INTO SAID SPACE FROM ONE OF SAID POSITIONS, SIMULTANEOUSLY FORMING AN ENDLESS HEAT SEAL AND AN ADJACENT ENDLESS SEVERED EDGE IN SAID FIRST HEAT SEALABLE PLASTIC MATERIAL MEANS IN CONTINUATION OF CLOSING AND SEALING SAID PORT, EFFECTING TRANSFER OF SAID FIRST ARTICLE TO THE OTHER OF SAID POSITIONS, CLOSING AND SEALING SAID PORT WITH SECOND HEAT SEALABLE PLASTIC MATERIAL MEANS IN CONTINUATION OF SAID FIRST MATERIAL MEANS CLOSING AND SEALING SAID PORT, REMOVING SAID FIRST MATERIAL MEANS FROM SAID PORT, INTRODUCING A SECOND ARTICLE, INTO THE SPACE DEFINED BY SAID SECOND PLASTIC MATERIAL MEANS FROM SAID ONE POSITION, SIMULTANEOUSLY FORMING AN ENDLESS HEAT SEAL AND AN ADJACENT ENDLESS SEVERED EDGE IN SAID SECOND PLASTIC MATERIAL MEANS IN CONTINUATION OF CLOSING AND SEALING SAID PORT, AND EFFECTING TRANSFER OF SAID SECOND ARTICLE TO SAID OTHER POSITION.
Claim 2
Dependent Claim
198 words
IN A METHOD OF MAKING SANITARY TRANSFER OF A SERIES OF ARTICLES BETWEEN A POSITION INTERIOR OF A CLOSED CHAMBER HAVING A TRANSFER PORT THEREIN AND A POSITION EXTERIOR OF SAID CHAMBER, THE STEPS COMPRISING CLOSING AND SEALING SAID PORT WITH FIRST HEAT SEALABLE PLASTIC MATERIAL MEANSA SIZED TO DEFINE A SPACE FOR RECEIVING AN ARTICLE TO BE TRANSFERRED, INTRODUCING A FIRST ARTICLE INTO SAID SPACE FROM ONE OF SAID POSITIONS, SIMULTANEOUSLY FORMING AN ENDLESS HEAT SEAL AND AN ADJACENT ENDLESS SEVERED EDGE IN SAID FIRST HEAT SEALABLE PLASTIC MATERIAL MEANS IN CONTINUATION OF CLOSING AND SEALING SAID PORT, EFFECTING TRANSFER OF SAID FIRST ARTICLE TO THE OTHER OF SAID POSITIONS, CLOSING AND SEALING SAID PORT WITH SECOND HEAT SEALABLE PLASTIC MATERIAL MEANS IN CONTINUATION OF SAID FIRST MATERIAL MEANS CLOSING AND SEALING SAID PORT, REMOVING SAID FIRST MATERIAL MEANS FROM SAID PORT, INTRODUCING A SECOND ARTICLE, INTO THE SPACE DEFINED BY SAID SECOND PLASTIC MATERIAL MEANS FROM SAID ONE POSITION, SIMULTANEOUSLY FORMING AN ENDLESS HEAT SEAL AND AN ADJACENT ENDLESS SEVERED EDGE IN SAID SECOND PLASTIC MATERIAL MEANS IN CONTINUATION OF CLOSING AND SEALING SAID PORT, AND EFFECTING TRANSFER OF SAID SECOND ARTICLE TO SAID OTHER POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |