US3143429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible disposable container and nursing unit
Assignee: Pillsbury Co
•
Filing: 1961-10-09
•
Granted: 1964-08-04
•
Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Emery C Swanson
- 👤 Sherck Charles Keith
- 👤 Marvin E Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:53
CPC Classifications
A; A61; A61J; A61J9/00; A61J9/005; B; B65; B65D; B65D1/00; B65D1/02; B65D1/0223; B65D1/0292; Y; Y10; Y10S; Y10S215/00; Y10S215/90; Y10S297/00; Y10S297/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A COLLAPSIBLE DISPOSABLE CONTAINER COMRISING A CORRUGATED HOLLOW TUBULAR BODY HAVING AN ATTACHED BASE, A NON-SEPARABLE LIQUID DISPENSING MEMBER ATTACHED TO THE BODY AT THE END OPPOSITE FROM THE BASE, A BARRIER WALL SEPARATING THE INTERIOR OF SAID BODY FROM THE INTERIOR OF SAID LIQUID DISPENSING MEMBER, SAID BARRIER WALL BEING PROVIDED WITH COMMUNICATING MEANS TO PERMIT THE PASSAGE OF LIQUID AND TO SUBSTANTIALLY PREVENT THE PASSAGE OF A DRY POWDERED MATERIAL FROM SAID BODY TO SAID DISPENSING MEMBER OPENING MEANS IN SAID BASE OF INTRODUCING MATERIAL INTO SAID CONTAINER BODY AND CLOSRUE MEANS FOR SEALING SAID OPENIG, SAID CONTAINER BODY, BASE AND LIQUID DISPENSING MEMBER BEIND COMPOSED OF COMPATIBLE THERMOFORMABLE SYNTHETIC RESINOUS MATERIAL AND INSEPARABLY HEAT SEALED TOGETHER.
Claim 2
Dependent Claim
119 words
A COLLAPSIBLE DISPOSABLE CONTAINER COMRISING A CORRUGATED HOLLOW TUBULAR BODY HAVING AN ATTACHED BASE, A NON-SEPARABLE LIQUID DISPENSING MEMBER ATTACHED TO THE BODY AT THE END OPPOSITE FROM THE BASE, A BARRIER WALL SEPARATING THE INTERIOR OF SAID BODY FROM THE INTERIOR OF SAID LIQUID DISPENSING MEMBER, SAID BARRIER WALL BEING PROVIDED WITH COMMUNICATING MEANS TO PERMIT THE PASSAGE OF LIQUID AND TO SUBSTANTIALLY PREVENT THE PASSAGE OF A DRY POWDERED MATERIAL FROM SAID BODY TO SAID DISPENSING MEMBER OPENING MEANS IN SAID BASE OF INTRODUCING MATERIAL INTO SAID CONTAINER BODY AND CLOSRUE MEANS FOR SEALING SAID OPENIG, SAID CONTAINER BODY, BASE AND LIQUID DISPENSING MEMBER BEIND COMPOSED OF COMPATIBLE THERMOFORMABLE SYNTHETIC RESINOUS MATERIAL AND INSEPARABLY HEAT SEALED TOGETHER.
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |