Patent US3186572A successfully refreshed from Google Patents.
US3186572A
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Assignee: Corning Glass Works
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Filing: 1963-10-07
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Granted: 1965-06-01
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Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 William H Mcknight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:39
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/40; B65D41/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
AN IMPROVED EASILY REMOVABLE HERMETICALLY-SEALABLE CLOSURE FOR OPEN MOUTH CONTAINERS WHICH MAY BE READILY REAPPLIED AND REMOVED TO RECLOSE AND REOPEN SUCH CONTAINERS WHEN HERMETIC SEAL IN BROKEN WHICH COMPRISES, A CENTRAL DISK PORTION PROJECTABLE WITHIN AN UPPER OPENING OF A CONTAINER, AN ANNULAR RIM PORTION BOUNDING SAID CENTRAL DISK PORTION AND FORMING A DOWNWARDLY OPEN CHANNEL FOR RECEIVING UPPER EDGE PORTIONS OF THE SIDE WALLS OF SUCH CONTAINER, AN EXTENDED VERTICAL FLANGE DEPENDING FROM SAID ANNULAR RIM PORTION OVERLYING OUTER EDGE PORTIONS OF THE SIDE WALLS ADJACENT THE UPPER EDGE THEREOF, SAID VERTICAL FLANGE HAVING A LOWER END PORTION FORMING A STRENGTHENING CURVILINEAR BEAM SECTION COOPERABLY ENGAGING A REENTRANT CIRCUMFERENTIAL OUTWARDLYFACING FINISH ON THE CONTAINER FOR LOCKING SAID CLOSURE THEREON, SAID CURVILINEAR BEAM SECTION HAVING A RADIALLYINWARDLY EXTENDING HORIZONTAL PORTION COOPERABLY ENGAGEABLE WITH THE FINISH AND A DOWNWARDLY-OUTWARDLY PROJECTING SKIRT PORTION JOINED BY A CURVILINEAR COMPRESSIONLOCKING KNEE PORTION, AND A PREDETERMINED WEAKNESS LINE FORMED ALONG A DESIRED LENGTH OF SAID VERTICALLYEXTENDING FLANGE PROVIDING A TEAR STRIP FOR FACILITATING THE EASY REMOVAL OF SAID CLOSURE FROM THE CONTAINER.
Claim 2
Dependent Claim
178 words
AN IMPROVED EASILY REMOVABLE HERMETICALLY-SEALABLE CLOSURE FOR OPEN MOUTH CONTAINERS WHICH MAY BE READILY REAPPLIED AND REMOVED TO RECLOSE AND REOPEN SUCH CONTAINERS WHEN HERMETIC SEAL IN BROKEN WHICH COMPRISES, A CENTRAL DISK PORTION PROJECTABLE WITHIN AN UPPER OPENING OF A CONTAINER, AN ANNULAR RIM PORTION BOUNDING SAID CENTRAL DISK PORTION AND FORMING A DOWNWARDLY OPEN CHANNEL FOR RECEIVING UPPER EDGE PORTIONS OF THE SIDE WALLS OF SUCH CONTAINER, AN EXTENDED VERTICAL FLANGE DEPENDING FROM SAID ANNULAR RIM PORTION OVERLYING OUTER EDGE PORTIONS OF THE SIDE WALLS ADJACENT THE UPPER EDGE THEREOF, SAID VERTICAL FLANGE HAVING A LOWER END PORTION FORMING A STRENGTHENING CURVILINEAR BEAM SECTION COOPERABLY ENGAGING A REENTRANT CIRCUMFERENTIAL OUTWARDLYFACING FINISH ON THE CONTAINER FOR LOCKING SAID CLOSURE THEREON, SAID CURVILINEAR BEAM SECTION HAVING A RADIALLYINWARDLY EXTENDING HORIZONTAL PORTION COOPERABLY ENGAGEABLE WITH THE FINISH AND A DOWNWARDLY-OUTWARDLY PROJECTING SKIRT PORTION JOINED BY A CURVILINEAR COMPRESSIONLOCKING KNEE PORTION, AND A PREDETERMINED WEAKNESS LINE FORMED ALONG A DESIRED LENGTH OF SAID VERTICALLYEXTENDING FLANGE PROVIDING A TEAR STRIP FOR FACILITATING THE EASY REMOVAL OF SAID CLOSURE FROM THE CONTAINER.
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |