← Back to Patent Explorer
US3374913A Expired / Lapsed US ⏱️ 0.0 years remaining

Tamper-proof package

Assignee: Continental Can Co Inc
•
Filing: 1965-10-08
•
Granted: 1968-03-26
•
Expires: 1985-10-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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)

US1504698A Cited
GB404951A Cited
US2131319A Cited
US2122294A Cited
FR1276285A Cited
US3158278A Cited
US3235115A Cited
US3181719A Cited
US3219223A Cited
US3270904A Cited
US3285452A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag