US3344963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic tubes for dispensing pasty or liquid substances
Assignee: ES&A Robinson Canada Ltd
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Filing: 1965-05-07
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Granted: 1967-10-03
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Expires: 1985-05-07
Abstract
No abstract record available.
Inventors
- 👤 Wynes Anthony Gibson
- 👤 Aspin Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:06
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/44; B65D35/46; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/7911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
FLEXIBLE PLASTIC TUBE HAVING A DISPENSING NOZZLE AT ONE END PROJECTING FROM A SHOULDER ON THE TUBE AND A NON-RETURN VALVE COMPRISING A ONE-PIECE TUBULAR VALVE BODY CLOSELY FITTING WITHIN SAID NOZZLE AND A DISPLACEABLE VALVE MEMBER BEING PROVIDED IN SAID VALVE BODY, SAID VALVE BODY HAVING AN OUTWARDLY PROJECTING RETAINING RIM THEREON FOR BEARING AGAINST SAID SHOULDER, A VALVE SEAT THEREWITHIN AND LUGS STRUCK OUTWARDLY FROM THE VALVE BODY AND SPACED FROM SAID VALVE SEAT, SAID LUGS BEING FLEXIBLY CONNECTED TO SAID BODY SO THAT ON INSERTION OF THE CLOSELY FITTING VALVE BODY INTO SAID NOZZLE SAID STRUCK OUTWARDLY LUGS ARE DISPLACED IN AN INWARD DIRECTION AND WITHIN THE VALVE BODY TO CONFINE FREELY AND MOVABLY THE VALVE MEMBER IN THE VALVE BODY BETWEEN SAID LUGS AND SAID VALVE SEAT.
Claim 2
Dependent Claim
131 words
FLEXIBLE PLASTIC TUBE HAVING A DISPENSING NOZZLE AT ONE END PROJECTING FROM A SHOULDER ON THE TUBE AND A NON-RETURN VALVE COMPRISING A ONE-PIECE TUBULAR VALVE BODY CLOSELY FITTING WITHIN SAID NOZZLE AND A DISPLACEABLE VALVE MEMBER BEING PROVIDED IN SAID VALVE BODY, SAID VALVE BODY HAVING AN OUTWARDLY PROJECTING RETAINING RIM THEREON FOR BEARING AGAINST SAID SHOULDER, A VALVE SEAT THEREWITHIN AND LUGS STRUCK OUTWARDLY FROM THE VALVE BODY AND SPACED FROM SAID VALVE SEAT, SAID LUGS BEING FLEXIBLY CONNECTED TO SAID BODY SO THAT ON INSERTION OF THE CLOSELY FITTING VALVE BODY INTO SAID NOZZLE SAID STRUCK OUTWARDLY LUGS ARE DISPLACED IN AN INWARD DIRECTION AND WITHIN THE VALVE BODY TO CONFINE FREELY AND MOVABLY THE VALVE MEMBER IN THE VALVE BODY BETWEEN SAID LUGS AND SAID VALVE SEAT.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |