US3133666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure plug means
Assignee: Continental Can Co Inc
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Filing: 1962-01-17
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Granted: 1964-05-19
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Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Henchert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:18
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A CLOSURE PLUG REMOVABLY MOUNTABLE IN A WALL OPENING OF A CONTAINER FOR SEALING THE SAME, THE WALL OPENING BEING DEFINED BY AN ANNULAR FLANGE PROJECTING OUTWARDLY FROM THE WALL, AND SAID CLOSURE PLUG COMPRISING A PLUG OF DEFORMABLE RESILIENT MATERIAL AND SHAPED AT ITS PERIPHERY TO SNUGLY ENGAGE IN AND SEAL SAID OPENING, SAID PLUG INCLUDING A CLOSURE PORTION PLACED FOR TRAVERSING THE FLANGE TO BE SEALED GENERALLY IN THE PLANE OF SAID OPENING, SAID CLOSURE PORTION BEING CONVEXED INWARDLY OF SAID PLANE SO THAT WHEN THE PLUG IS MOUNTED IN AND SEALING A CONTAINER WALL OPENING PRESSURES ACTING FROM WITHIN THE SEALED CONTAINER AND TENDING TO DISPLACE THE PLUG WILL TEND TO DEFORM THE CLOSURE PORTION BY FLATTENING ITS CONVEXITY AND INCREASE THE PERIMETER OF THE PLUG IN SAID PLANE THEREBY TO ACCENTUATE THE SEALING ENGAGEMENT OF THE PLUG IN THE OPENING IN WHICH IT IS MOUNTED.
Claim 2
Dependent Claim
149 words
A CLOSURE PLUG REMOVABLY MOUNTABLE IN A WALL OPENING OF A CONTAINER FOR SEALING THE SAME, THE WALL OPENING BEING DEFINED BY AN ANNULAR FLANGE PROJECTING OUTWARDLY FROM THE WALL, AND SAID CLOSURE PLUG COMPRISING A PLUG OF DEFORMABLE RESILIENT MATERIAL AND SHAPED AT ITS PERIPHERY TO SNUGLY ENGAGE IN AND SEAL SAID OPENING, SAID PLUG INCLUDING A CLOSURE PORTION PLACED FOR TRAVERSING THE FLANGE TO BE SEALED GENERALLY IN THE PLANE OF SAID OPENING, SAID CLOSURE PORTION BEING CONVEXED INWARDLY OF SAID PLANE SO THAT WHEN THE PLUG IS MOUNTED IN AND SEALING A CONTAINER WALL OPENING PRESSURES ACTING FROM WITHIN THE SEALED CONTAINER AND TENDING TO DISPLACE THE PLUG WILL TEND TO DEFORM THE CLOSURE PORTION BY FLATTENING ITS CONVEXITY AND INCREASE THE PERIMETER OF THE PLUG IN SAID PLANE THEREBY TO ACCENTUATE THE SEALING ENGAGEMENT OF THE PLUG IN THE OPENING IN WHICH IT IS MOUNTED.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |