US3243071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure member
Assignee: Chemagro Corp
•
Filing: 1965-03-03
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Granted: 1966-03-29
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Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Richard L Kimmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:40
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/16; B65D51/1605; B65D51/1616; B65D51/1633; B65D51/1644
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A CLOSURE MEMBER FOR A VOLATILE LIQUID CONTAINER COMPRISING A TOP PORTION AND AN INTEGRAL BODY PORTION ADAPTED FOR CONECTION TO SAID CONTAINER, AN APERTURE EXTENDING LONGITUDINALLY THROUGH SAID TOP PORTION AND SAID BODY PORTION, SAID APERTURE AT ONE END BEING IN COMMUNICATION WITH THE ATMOSPHERE AND BEING IN COMMUNICATION WITH THE INTERIOR OF THE CONTAINER AT THE OTHER END, A POROUS DISK MOUNTED WITHIN SAID APERTURE ADJACENT SAID OTHER END, VALVE MEANS MOUNTED WITHIN SAID APERTURE ADJACENT SAID ONE END, AND RING SEALING MEANS BELOW SAID VALVE MEANS IN SEALING ENGAGEMENT WITH THE UPPER SURFACE OF SAID POROUS DISK AND SAID VALVE MEANS, SAID VALVE MEANS ADAPTABLE TO VENT THE GASEOUS CONTENTS OF SAID CONTAINER.
Claim 2
Dependent Claim
116 words
A CLOSURE MEMBER FOR A VOLATILE LIQUID CONTAINER COMPRISING A TOP PORTION AND AN INTEGRAL BODY PORTION ADAPTED FOR CONECTION TO SAID CONTAINER, AN APERTURE EXTENDING LONGITUDINALLY THROUGH SAID TOP PORTION AND SAID BODY PORTION, SAID APERTURE AT ONE END BEING IN COMMUNICATION WITH THE ATMOSPHERE AND BEING IN COMMUNICATION WITH THE INTERIOR OF THE CONTAINER AT THE OTHER END, A POROUS DISK MOUNTED WITHIN SAID APERTURE ADJACENT SAID OTHER END, VALVE MEANS MOUNTED WITHIN SAID APERTURE ADJACENT SAID ONE END, AND RING SEALING MEANS BELOW SAID VALVE MEANS IN SEALING ENGAGEMENT WITH THE UPPER SURFACE OF SAID POROUS DISK AND SAID VALVE MEANS, SAID VALVE MEANS ADAPTABLE TO VENT THE GASEOUS CONTENTS OF SAID CONTAINER.
References Cited (Backward Citations)
US1997365A
Cited
US2298938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |