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US3076670A Expired / Lapsed US ⏱️ 0.0 years remaining

Sheet metal containers and a method of and apparatus for the manufacture thereof

Assignee: Van Leer Industries Ltd
•
Filing: 1959-07-09
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Granted: 1963-02-05
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Expires: 1979-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 Meyer Cornelis Adrianus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 08:34
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/08; B65D39/082; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/40

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 60 words
A CONTAINER INCLUDING A THIN SHEET METAL WALL WITH AN ORIFICE THEREIN, A FLANGE INTEGRAL WITH SAID WALL SURROUNDING THE ORIFICE, SAID FLANGE BEING POLYGONAL IN CROSS SECTION OVER AT LEAST A PART OF ITS HEIGHT AND PRESENTING A PLURALITY OF FLAT SIDES JOINED BY ROUNDED CORNER PORTIONS, AND SCREW THREADS FORMED ONLY IN THE FLAT SIDES OF THE FLANGE.
Claim 2
Dependent Claim 60 words
A CONTAINER INCLUDING A THIN SHEET METAL WALL WITH AN ORIFICE THEREIN, A FLANGE INTEGRAL WITH SAID WALL SURROUNDING THE ORIFICE, SAID FLANGE BEING POLYGONAL IN CROSS SECTION OVER AT LEAST A PART OF ITS HEIGHT AND PRESENTING A PLURALITY OF FLAT SIDES JOINED BY ROUNDED CORNER PORTIONS, AND SCREW THREADS FORMED ONLY IN THE FLAT SIDES OF THE FLANGE.

References Cited (Backward Citations)

US2177027A Cited
US2157354A Cited
US2271107A Cited
US2353253A Cited
US2460720A Cited
US2807226A Cited
US2815569A Cited
US2889156A Cited
US2880018A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-02-04 1966-08-06 1967-02-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-02-04 1970-08-06 1971-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-02-04 1974-08-06 1975-02-05 $7700.00 Window Closed / Lapsed

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