US3373889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sealing jar lid
Assignee: Phoenix Metal Cap Co Inc
•
Filing: 1961-05-31
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Granted: 1968-03-19
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 John S Giles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:50
CPC Classifications
B; B65; B65D; B65D53/00; B65D53/02; B65D51/00; B65D51/14; B65D51/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A SEALING LID FOR FACE-TO-FACE ENGAGEMENT WITH THE SMOOTH LIP OF A RECEPTACLE, SAID LID HAVING AN INNER HOMOGENEOUS THERMOPLASTIC LINING FORMED OF A SYNTHETIC THERMOPLASTIC POLYMERIC MATERIAL CONTAINING WHOLLY EMBEDDED DISCRETE PARTICLES OF INERT MATERIAL WITH THOSE PARTICLES ADJACENT THE SURFACE OF SAID LINING PROJECTING OUT OF THE NORMAL PLANE OF SAID SURFACE AND ALTHOUGH WHOLLY COATED BY SAID THERMOPLASTIC MATERIAL PRODUCING A ROUGH UNEVEN SURFACE PRESSURE RESISTANT AT ATMOSPHERIC TEMPERATURE TO FORM A ROUGH VENTING SURFACE BUT BEING YIELDABLE AT HIGHER PROCESSING TEMPERATURES TO FORM A SEALING SURFACE.
Claim 2
Dependent Claim
90 words
A SEALING LID FOR FACE-TO-FACE ENGAGEMENT WITH THE SMOOTH LIP OF A RECEPTACLE, SAID LID HAVING AN INNER HOMOGENEOUS THERMOPLASTIC LINING FORMED OF A SYNTHETIC THERMOPLASTIC POLYMERIC MATERIAL CONTAINING WHOLLY EMBEDDED DISCRETE PARTICLES OF INERT MATERIAL WITH THOSE PARTICLES ADJACENT THE SURFACE OF SAID LINING PROJECTING OUT OF THE NORMAL PLANE OF SAID SURFACE AND ALTHOUGH WHOLLY COATED BY SAID THERMOPLASTIC MATERIAL PRODUCING A ROUGH UNEVEN SURFACE PRESSURE RESISTANT AT ATMOSPHERIC TEMPERATURE TO FORM A ROUGH VENTING SURFACE BUT BEING YIELDABLE AT HIGHER PROCESSING TEMPERATURES TO FORM A SEALING SURFACE.
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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) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |