Patent US3163311A successfully refreshed from Google Patents.
US3163311A
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Assignee: Primerica Inc
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Filing: 1963-12-10
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Granted: 1964-12-29
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Expires: 1983-12-10
Abstract
No abstract record available.
Inventors
- 👤 Stolk Robert Cornelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:09
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/18; B65D43/00; B65D43/02; B65D43/0202; B65D43/0214; B65D43/022; B65D51/16; B65D51/1633; B65D51/1661; B65D51/1666; B65D51/1672; B65D51/1683; B65D2205/00; B65D2205/02; B65D2205/025; B65D2251/00; B65D2251/0003; B65D2251/0006; B65D2251/0018; B65D2251/0068; B65D2251/0081; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00296; B65D2543/00342; B65D2543/0037; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00546; B65D2543/00824; B65D2543/00833; B65D2543/00851
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A CONTAINER FOR HERMETICALLY SEALING A PRODUCT UNDER VACUUM, COMPRISING: A GENERALLY CYLINDRICAL CONTAINER BODY HAVING AN OPEN END, AN ANNULAR BEAD ON SAID CONTAINER BODY ADJACENT SAID OPEN END THEREOF, AND A FLEXIBLE AND RESILIENT SEALING ELEMENT DISPOSED WITHIN SAID BODY END AND COMPRISING: A LATERALLY EXTENDING CENTRAL PORTION DISPOSED BELOW SAID OPEN BODY END, A COUNTERSINK WALL EXTENDING UPWARDLY FROM SAID CENTRAL PORTION AND IN SEALING ENGAGEMENT WITH THE ADJACENT INTERIOR SURFACE OF SAID CONTAINER BODY, A FLANGE EXTENDING LATERALLY OUTWARDLY FROM SAID COUNTERSINK WALL AND IN ENGAGEMENT WITH THE UPPER PORTION OF SAID ANNULAR BEAD, MEANS IN SAID SEALING ELEMENT FOR VENTING THE VACUUM IN SAID CONTAINER BODY, AND A GRIPPING PORTION EXTENDING UPWARDLY FROM SAID CENTRAL PORTION TO FACILITATE REMOVAL OF SAID SEALING ELEMENT FROM SAID CONTAINER BODY AND RECLOSING OF SAID CONTAINER BODY WITH SAID SEALING ELEMENT.
Claim 2
Dependent Claim
142 words
A CONTAINER FOR HERMETICALLY SEALING A PRODUCT UNDER VACUUM, COMPRISING: A GENERALLY CYLINDRICAL CONTAINER BODY HAVING AN OPEN END, AN ANNULAR BEAD ON SAID CONTAINER BODY ADJACENT SAID OPEN END THEREOF, AND A FLEXIBLE AND RESILIENT SEALING ELEMENT DISPOSED WITHIN SAID BODY END AND COMPRISING: A LATERALLY EXTENDING CENTRAL PORTION DISPOSED BELOW SAID OPEN BODY END, A COUNTERSINK WALL EXTENDING UPWARDLY FROM SAID CENTRAL PORTION AND IN SEALING ENGAGEMENT WITH THE ADJACENT INTERIOR SURFACE OF SAID CONTAINER BODY, A FLANGE EXTENDING LATERALLY OUTWARDLY FROM SAID COUNTERSINK WALL AND IN ENGAGEMENT WITH THE UPPER PORTION OF SAID ANNULAR BEAD, MEANS IN SAID SEALING ELEMENT FOR VENTING THE VACUUM IN SAID CONTAINER BODY, AND A GRIPPING PORTION EXTENDING UPWARDLY FROM SAID CENTRAL PORTION TO FACILITATE REMOVAL OF SAID SEALING ELEMENT FROM SAID CONTAINER BODY AND RECLOSING OF SAID CONTAINER BODY WITH SAID SEALING ELEMENT.
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) | 1967-12-29 | 1968-06-29 | 1968-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-29 | 1972-06-29 | 1972-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-29 | 1976-06-29 | 1976-12-29 | $7700.00 | Window Closed / Lapsed |