US3374913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamper-proof package
Assignee: Continental Can Co Inc
•
Filing: 1965-10-08
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Granted: 1968-03-26
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Expires: 1985-10-08
Abstract
No abstract record available.
Inventors
- 👤 Donald H Zipper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:31
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/34; B65D41/3404; B65D41/3409; B65D41/348; B65D41/40; B65D41/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
246 words
A TAMPER-PROOF PACKAGE COMPRISING A CONTAINER HAVING A SEALING FINISH, SAID SEALING FINISH HAVING A PLURALITY OF CAM SURFACES THEREON, AN OUTWARDLY FACING SMOOTH CIRCUMFERENTIAL PORTION DISPOSED BELOW SAID CAM SURFACES, A CYLINDRICAL PORTION DISPOSED BELOW SAID CIRCUMFERENTIAL PORTION, A PLURALITY OF SPACED LUG MEANS ON SAID CYLINDRICAL PORTION, EACH OF SAID LUG MEANS PROJECTING RADIALLY OUTWARD FROM SAID CYLINDRICAL PORTION, A CLOSURE CAP RECEIVED OVER SAID SEALING FINISH, SAID CLOSURE CAP HAVING A TAP PANEL COVERING THE TOP OF SAID SEALING FINISH AND A DEPENDING SKIRT AT THE MARGINAL EDGES OF SAID TOP PANEL, SAID SKIRT BEING SPACED FROM SAID SEALING FINISH AND A DEFORMABLE GASKET SUBSTANTIALLY FILLING THE SPACE BETWEEN SAID SKIRT AND SAID CIRCUMFERENTIAL PORTION, SAID GASKET EXTENDING INTO ENGAGEMENT TO FORM A CAM SURFACE FOR CO-OPERATION WITH SAID CAM SURFACES ON SAID FINISH, A TAMPER-PROOF BAND FRANGIBLY JOINED THROUGH SPACED BRIDGING PORTIONS TO A LOWER PORTION OF SAID SKIRT, SAID TAMPER-PROOF BAND HAVING A SERIES OF SPACED RECESSES THEREIN WITH CLOSED UPPER AND LOWER ENDS FOR RECEIVING SAID LUG MEANS ON SAID CYLINDRICAL PORTION THEREBY TO PREVENT ROTATION OF SAID BAND, WHEREBY ROTATION OF SAID CLOSURE CAP TO EFFECT REMOVAL FROM SAID PACKAGE WILL SERVE TO FRACTURE SAID BRIDGING PORTIONS THEREBY INDICATING THAT SAID PACKAGE HAS BEEN OPENED, THE VERTICAL LENGTH OF SAID SPACED RECESSES SUBSTANTIALLY EXCEEDING THE VERTICAL LENGTH OF SAID LUG MEANS SO AS TO PERMIT SAID TAMPERPROOF BAND TO DROP DOWN WHEN IT HAS BECOME SEPARATED FROM SAID SKIRT.
Claim 2
Dependent Claim
246 words
A TAMPER-PROOF PACKAGE COMPRISING A CONTAINER HAVING A SEALING FINISH, SAID SEALING FINISH HAVING A PLURALITY OF CAM SURFACES THEREON, AN OUTWARDLY FACING SMOOTH CIRCUMFERENTIAL PORTION DISPOSED BELOW SAID CAM SURFACES, A CYLINDRICAL PORTION DISPOSED BELOW SAID CIRCUMFERENTIAL PORTION, A PLURALITY OF SPACED LUG MEANS ON SAID CYLINDRICAL PORTION, EACH OF SAID LUG MEANS PROJECTING RADIALLY OUTWARD FROM SAID CYLINDRICAL PORTION, A CLOSURE CAP RECEIVED OVER SAID SEALING FINISH, SAID CLOSURE CAP HAVING A TAP PANEL COVERING THE TOP OF SAID SEALING FINISH AND A DEPENDING SKIRT AT THE MARGINAL EDGES OF SAID TOP PANEL, SAID SKIRT BEING SPACED FROM SAID SEALING FINISH AND A DEFORMABLE GASKET SUBSTANTIALLY FILLING THE SPACE BETWEEN SAID SKIRT AND SAID CIRCUMFERENTIAL PORTION, SAID GASKET EXTENDING INTO ENGAGEMENT TO FORM A CAM SURFACE FOR CO-OPERATION WITH SAID CAM SURFACES ON SAID FINISH, A TAMPER-PROOF BAND FRANGIBLY JOINED THROUGH SPACED BRIDGING PORTIONS TO A LOWER PORTION OF SAID SKIRT, SAID TAMPER-PROOF BAND HAVING A SERIES OF SPACED RECESSES THEREIN WITH CLOSED UPPER AND LOWER ENDS FOR RECEIVING SAID LUG MEANS ON SAID CYLINDRICAL PORTION THEREBY TO PREVENT ROTATION OF SAID BAND, WHEREBY ROTATION OF SAID CLOSURE CAP TO EFFECT REMOVAL FROM SAID PACKAGE WILL SERVE TO FRACTURE SAID BRIDGING PORTIONS THEREBY INDICATING THAT SAID PACKAGE HAS BEEN OPENED, THE VERTICAL LENGTH OF SAID SPACED RECESSES SUBSTANTIALLY EXCEEDING THE VERTICAL LENGTH OF SAID LUG MEANS SO AS TO PERMIT SAID TAMPERPROOF BAND TO DROP DOWN WHEN IT HAS BECOME SEPARATED FROM SAID SKIRT.
References Cited (Backward Citations)
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GB404951A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |