US2850422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid container port structure attaching method
Assignee: Fenwal Laboratories Inc
•
Filing: 1955-01-20
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Granted: 1958-09-02
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Expires: 1975-01-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward Sohier Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:19
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; A61J1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE METHOD OF DIELECTRICALLY BONDING A FLEXIBLE THERMOPLASTIC PORT ELEMENT TO A FLEXIBLE THERMOPLASTIC LIQUID STORING CONTAINER HAVING LIQUID SEALED IN IT AND THE WALL OF WHICH CONTAINER PRESENTS A HEAT-BONDABLE EXTERNAL AREA WHICH COMPRISES POSITIONING THE ELEMENT IN BONDABLE ENGAGEMENT EXTERNALLY WITH AN IMPERFORATE HEAT-BONDABLE AREA OF ONE WALL OF THE CONTAINER, APPLYING A METALLIC ELECTRODE TO THE ELEMENT, LOCATING A VOLUME OF CONTAINER LIQUID IN JUXTAPOSITION TO THE ELEMENT AND ELECTRODE, APPLYING A SECOND SUBSTANTIALLY LARGER METALLIC ELECTRODE
Claim 2
Independent Claim
80 words
THE METHOD OF DIELECTRICALLY BONDING A FLEXIBLE THERMOPLASTIC PORT ELEMENT TO A FLEXIBLE THERMOPLASTIC LIQUID STORING CONTAINER HAVING LIQUID SEALED IN IT AND THE WALL OF WHICH CONTAINER PRESENTS A HEAT-BONDABLE EXTERNAL AREA WHICH COMPRISES POSITIONING THE ELEMENT IN BONDABLE ENGAGEMENT EXTERNALLY WITH AN IMPERFORATE HEAT-BONDABLE AREA OF ONE WALL OF THE CONTAINER, APPLYING A METALLIC ELECTRODE TO THE ELEMENT, LOCATING A VOLUME OF CONTAINER LIQUID IN JUXTAPOSITION TO THE ELEMENT AND ELECTRODE, APPLYING A SECOND SUBSTANTIALLY LARGER METALLIC ELECTRODE
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |