← Back to Patent Explorer
US3656652A Expired / Lapsed US ⏱️ 0.0 years remaining

Pull tab

Assignee: Continental Can Co Inc
•
Filing: 1970-03-16
•
Granted: 1972-04-18
•
Expires: 1990-03-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A pull tab for an easy opening container. The pull tab includes a finger grip portion and a forward portion having a nose for penetrating a score line defining a removable panel portion. The forward portion is formed with a rib including an outer peripheral depending flange. The depending flange terminates in an outwardly extending lip which serves to increase the resistance against bending.

Inventors

  • 👤 Nick S Khoury

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 01:09
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4011

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 128 words
A one piece sheet metal pull tab having a forward portion and a rigid finger type grip portion, said forward portion having a nose at the end remote from said finger grip portion, said forward portion having an attachment portion defined by an upstanding flange, a peripheral depending flange extending about said forward portion and integrally connected to said upstanding flange by a substantially horizontal web, said nose being a continuation of said peripheral flange and having a terminal edge spaced below said peripheral flange, and a lip disposed in a plane above said terminal edge of said nose and projecting from said peripheral flange intermediate said nose and finger grip portion and terminating in an upstanding turned edge whereby said forward portion is strengthened against lengthwise bending.
Claim 2
Dependent Claim 128 words
A one piece sheet metal pull tab having a forward portion and a rigid finger type grip portion, said forward portion having a nose at the end remote from said finger grip portion, said forward portion having an attachment portion defined by an upstanding flange, a peripheral depending flange extending about said forward portion and integrally connected to said upstanding flange by a substantially horizontal web, said nose being a continuation of said peripheral flange and having a terminal edge spaced below said peripheral flange, and a lip disposed in a plane above said terminal edge of said nose and projecting from said peripheral flange intermediate said nose and finger grip portion and terminating in an upstanding turned edge whereby said forward portion is strengthened against lengthwise bending.

References Cited (Backward Citations)

US3411662A Cited
US3483355A Cited
US3450301A Cited
US3477608A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-04-18 1975-10-18 1976-04-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-04-18 1979-10-18 1980-04-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-04-18 1983-10-18 1984-04-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag