Patent US3407974A successfully refreshed from Google Patents.
US3407974A
Expired / Lapsed
US
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Dispensing container having piston-bag structure
Assignee: Continental Can Co Inc
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Filing: 1966-02-08
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Granted: 1968-10-29
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Expires: 1986-02-08
Abstract
No abstract record available.
Inventors
- 👤 Louis J Chmielowiec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/60; B65D83/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A DISPENSING CONTAINER COMPRISING A CONTAINER BODY OF A GENERALLY TUBULAR CONFIGURATION, SAID CONTAINER BODY BEING CLOSED AT A BOTTOM END THEREOF, A PISTON-BAG STRUCTURE IN SAID CONTAINER BODY, SAID PISTON-BAG STRUCTURE BEING OF AN INTEGRAL ONE-PIECE POLYMERIC PLASTIC MATERIAL CONSTRUCTION, SAID PISTON-BAG STRUCTURE HAVING TOP AND BOTTOM END PORTIONS, SAID TOP END PORTION HAVING A GENERALLY TUBULAR WALL DEFINING A PRODUCT-RECEIVING CHAMBER, SAID BOTTOM END PORTION BEING CLOSED BY A BOTTOM PANEL, AND RESILIENT MEANS INTEGRALLY JOINED TO SAID BOTTOM END PORTION AND DIRECTED RADIALLY OUTWARDLY AND DOWNWARDLY TO-
Claim 2
Dependent Claim
90 words
A DISPENSING CONTAINER COMPRISING A CONTAINER BODY OF A GENERALLY TUBULAR CONFIGURATION, SAID CONTAINER BODY BEING CLOSED AT A BOTTOM END THEREOF, A PISTON-BAG STRUCTURE IN SAID CONTAINER BODY, SAID PISTON-BAG STRUCTURE BEING OF AN INTEGRAL ONE-PIECE POLYMERIC PLASTIC MATERIAL CONSTRUCTION, SAID PISTON-BAG STRUCTURE HAVING TOP AND BOTTOM END PORTIONS, SAID TOP END PORTION HAVING A GENERALLY TUBULAR WALL DEFINING A PRODUCT-RECEIVING CHAMBER, SAID BOTTOM END PORTION BEING CLOSED BY A BOTTOM PANEL, AND RESILIENT MEANS INTEGRALLY JOINED TO SAID BOTTOM END PORTION AND DIRECTED RADIALLY OUTWARDLY AND DOWNWARDLY TO-
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) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |