US3329295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamper-indicating closure
Assignee: Individual
•
Filing: 1965-11-29
•
Granted: 1967-07-04
•
Expires: 1985-11-29
Abstract
No abstract record available.
Inventors
- 👤 Mack R Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:17
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/34; B65D41/3442; B65D41/3447; B65D2401/00; B65D2401/15; B65D2401/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
IN COMBINATION WITH A CONTAINER HAVING A MEMBER THAT FORMS AN OPENING INTO THE CONTAINER, A TAMPER-INDICATING CLOSURE MEMBER, COOPERATING MEANS ON SAID MEMBERS FOR MOUNTING THE CLOSURE MEMBER ON THE CONTAINER MEMBER AND REMOVING THE CLOSURE MEMBER THEREFROM BY ROTATIONAL AND AXIAL MOVEMENT OF ONE MEMBER RELATIVE TO THE OTHER MEMBER, SAID CLOSURE MEMBER HAVING A WALL DISPOSED ABOUT SAID CONTAINER MEMBER, A SKIRT CONNECTED TO SAID WALL BY MEANS FORMING A RUPTURABLE ZONE OF WEAKNESS, SAID SKIRT HAVING A LIP THAT RADIALLY OVERLAPS AND IS AXIALLY SPACED FROM A PART OF THE CONTAINER THAT IS BETWEEN SAID LIP AND SAID ZONE OF WEAKNESS AND WITH THE RADIAL OVERLAP CAUSING SUFFICIENT AXIAL INTERFERENCE TO PREVENT REMOVAL OF THE CLOSURE MEMBER FROM SAID CONTAINER MEMBER WITHOUT RUPTURING SAID ZONE OF WEAKNESS, SAID SKIRT BEING SUFFICIENTLY YIELDABLY WITHIN ITS ELASTIC LIMITS TO ENABLE THE LIP TO PASS OVER SAID CONTAINER PART WHEN THE CLOSURE MEMBER IS MOUNTED ONTO SAID CONTAINER MEMBER, AN INITIAL ROTATIONAL AND AXIAL MOVEMENT OF ONE MEMBER RELATIVE TO THE OTHER MEMBER CAUSING SAID LIP AND SAID CONTAINER PART TO ABUT AND THEREBY INHIBIT AXIAL MOVEMENT OF THE SKIRT, AND FURTHER ROTATIONAL AND AXIAL MOVEMENT OF ONE MEMBER RELATIVE TO THE OTHER MEMBER CAUSING THE CLOSURE TO RUPTURE AT SAID ZONE OF WEAKNESS.
Claim 2
Dependent Claim
61 words
A COMBINATION ACCORDING TO CLAIM 6 INCLUDING MEANS FORMING A SEAL ACROSS SAID OPENING WHEN THE CLOSURE IS IN CLOSED POSITION ON THE CONTAINER, SAID AXIAL SPACING BEING SUCH THAT THE SEAL PREVENTS LEAKAGE OF CONTENTS FROM THE CONTAINER WHEN THE CLOSURE AND CONTAINER ARE AXIALLY SHIFTED RELATIVE TO ONE ANOTHER AS FAR AS POSSIBLE WITHOUT RUPTURING SAID ZONE OF WEAKNESS.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |