Patent US4792646A successfully refreshed from Google Patents.
Patent US3656652A successfully refreshed from Google Patents.
US3656652A
Expired / Lapsed
US
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Pull tab
Assignee: Continental Can Co Inc
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Filing: 1970-03-16
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Granted: 1972-04-18
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Expires: 1990-03-16
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
2026-11-06 14:59
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)
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 |