US2733837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically sealable paste tube of
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:58
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/2018; B65D47/2031; B65D47/2037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
AUTOMATICALY SEALABLE TUBE FOR HOLDING AND DISPENSING PASTES FORMED OF PLASTIC MATERIAL AND CLOSED AT ONE END, IN WHICH THE OTHER END OF THE TUBE IS SHAPED SO AS TO FORM A SHOULDER AND A FLATTENED NECK PORTION OF A SMALLER SIZE THAN THE BODY OF THE TUBE AND IS HERMETICALLY CLOSED TO THE OUTER AIR, SAID NECK PORTION HAVING THE UPPER END THEREOF WIDER THAN THE PORTION NEAR THE BODY, A SPRING SMUGLY SURROUNDING SAID NECK PORTION AT A POSITION NEXT TO THE OTHER SHOULDER OF THE BODY AND RESTING ON SAID SHOULDER, SAID SPRING BEING HELD IN POSITION BY ITS OWN RESILIENCY AND BY THE WIDER UPPER END OF THE NECK PORTION, AND BEING ARRANGED IN SUCH A MANNER THAT, SAID SPRING, UPON PRESSURE ON THE BODY OF THE TUBE IS FORCED RESILIENTLY OUTWARDS BY THE CONTENTS OF THE TUBE AND LETS THROUGH A SUITABLE QUANTITY OF THE CONTENTS WHEREAFTER, WHEN SAID PRESSURE CEASES, SAID SPRING AUTOMATICALLY COMPRESSES THE MOUTH OF THE NECK PORTION AND CLOSES THE TUBE.
Claim 2
Dependent Claim
170 words
AUTOMATICALY SEALABLE TUBE FOR HOLDING AND DISPENSING PASTES FORMED OF PLASTIC MATERIAL AND CLOSED AT ONE END, IN WHICH THE OTHER END OF THE TUBE IS SHAPED SO AS TO FORM A SHOULDER AND A FLATTENED NECK PORTION OF A SMALLER SIZE THAN THE BODY OF THE TUBE AND IS HERMETICALLY CLOSED TO THE OUTER AIR, SAID NECK PORTION HAVING THE UPPER END THEREOF WIDER THAN THE PORTION NEAR THE BODY, A SPRING SMUGLY SURROUNDING SAID NECK PORTION AT A POSITION NEXT TO THE OTHER SHOULDER OF THE BODY AND RESTING ON SAID SHOULDER, SAID SPRING BEING HELD IN POSITION BY ITS OWN RESILIENCY AND BY THE WIDER UPPER END OF THE NECK PORTION, AND BEING ARRANGED IN SUCH A MANNER THAT, SAID SPRING, UPON PRESSURE ON THE BODY OF THE TUBE IS FORCED RESILIENTLY OUTWARDS BY THE CONTENTS OF THE TUBE AND LETS THROUGH A SUITABLE QUANTITY OF THE CONTENTS WHEREAFTER, WHEN SAID PRESSURE CEASES, SAID SPRING AUTOMATICALLY COMPRESSES THE MOUTH OF THE NECK PORTION AND CLOSES THE TUBE.
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) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |