Patent US3273743A successfully refreshed from Google Patents.
US3273743A
Expired / Lapsed
US
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Sealing
Assignee: RUBBARITE Ltd
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Filing: 1963-11-14
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Granted: 1966-09-20
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Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Mccoll John Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:38
CPC Classifications
B; B65; B65D; B65D53/00; B65D53/02; B65D43/00; B65D43/02; B65D43/0202; B65D43/0214; B65D43/0218; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00277; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00555; B65D2543/00564; B65D2543/00953; B65D2543/00962; B65D2543/00972; Y; Y10; Y10S; Y10S277/00; Y10S277/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE COMBINATION OF A CONTAINER LID HAVING A PERIPHERAL CURL OF SUBSTANTIALLY SEMI-CIRCULAR TRANSVERSE CROSSSECTION AND A SEALING MEMBER DISPOSED WITHIN SAID CURL, SAID SEALING MEMBER COMPRISING A FIRST LAYER COMPOSED OF A RESILIENTLY DEFORMABLE MATERIAL HAVING A BULK DENSITY OF FROM 1 1/2 TO 2 LBS. PER CUBIC FOOT AND A SECOND LAYER COMPOSED OF A RESILIENTLY DEFORMABLE MATERIAL HAVING A BULK DENSITY OF FROM 30 TO 45 LBS. PER CUBIC FOOT, SAID SEALING MEMBER BEING APPLIED TO SAID LID BY PRESSING SAID MEMBER INTO SAID CURL SO THAT THE FIRST LAYER CONFORMS TO THE CONTOUR OF THE CURL AND THE SECOND LAYER WEDGES IN PLACE IN THE OPENING OF THE CURL.
Claim 2
Dependent Claim
113 words
THE COMBINATION OF A CONTAINER LID HAVING A PERIPHERAL CURL OF SUBSTANTIALLY SEMI-CIRCULAR TRANSVERSE CROSSSECTION AND A SEALING MEMBER DISPOSED WITHIN SAID CURL, SAID SEALING MEMBER COMPRISING A FIRST LAYER COMPOSED OF A RESILIENTLY DEFORMABLE MATERIAL HAVING A BULK DENSITY OF FROM 1 1/2 TO 2 LBS. PER CUBIC FOOT AND A SECOND LAYER COMPOSED OF A RESILIENTLY DEFORMABLE MATERIAL HAVING A BULK DENSITY OF FROM 30 TO 45 LBS. PER CUBIC FOOT, SAID SEALING MEMBER BEING APPLIED TO SAID LID BY PRESSING SAID MEMBER INTO SAID CURL SO THAT THE FIRST LAYER CONFORMS TO THE CONTOUR OF THE CURL AND THE SECOND LAYER WEDGES IN PLACE IN THE OPENING OF THE CURL.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |