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US3606156A Expired / Lapsed US ⏱️ 0.0 years remaining

Drinking straw

Assignee: Individual
•
Filing: 1970-02-24
•
Granted: 1971-09-20
•
Expires: 1990-02-24
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Abstract

Abstract A TUBE FOR DRINKING LIQUIDS FROM A CONTAINER HAS END PORTIONS WHICH CONNECT WITH UPPER AND LOWER ENDS OF A SPIRALLY SHAPED MID PORTION. SAID END PORTIONS, OR WHEN SAID END PORTIONS ARE NOT COPLANAR AS PREFERRED, INTERSECTIONS OF PLANES OF THE END PORTIONS DEFINE AN ANGLE WHICH IS GREATER THAN 90 DEGREES BUT LESS THAN 180 DEGREES. THE TURNS OF THE MID PORTION SURROUD AND EXTEND DOWNWARDLY FROM THE TOP OF THE END PORTION ADAPTED TO BE PLACED INTO THE CONTAINER. SAID TURNS ARE ALSO ADAPTED TO ENVELOP THE UPSTANDING WALLS OF THE CONTAINER TO HOLD THE STRAW IN A STABLE POSITION SO THAT SIPHONING ACTION DOES NOT OCCUR.

Inventors

  • 👤 John Homorodean Jr
  • 👤 Edwin E Gentilly

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:43
CPC Classifications
A; A47; A47G; A47G21/00; A47G21/18; A47G21/182; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1379; Y10T428/139

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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