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US3280969A Expired / Lapsed US ⏱️ 0.0 years remaining

Package

Assignee: WA Sheaffer Pen Co
•
Filing: 1965-05-24
•
Granted: 1966-10-25
•
Expires: 1985-05-24
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas P Evans
  • 👤 Thompson Elmer Dale

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:46
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 235 words
A PACKAGE CONTAINING AN ELONGATE GENERALLY CYLINDRICAL WRITING INSTRUMENT, COMRISING A GENERALLY TUBULAR BODY PORTION DEFINED BY A CIRCUMFERENTIALLY CONTINUOUS LENGTH OF THIN PLIANT MATERIAL OF SUBSTANTIALLY CONSTANT THICKNESS, SAID BODY PORTION BEING AT LEAST AS LONG AS SAID WRITING INSTRUMENT AND DEFINING A STRAIGHT CENTRAL BORE TERMINATING IN OPEN ENDS, THE DIAMETER OF SAID BORE BEING GREATER THAN THE DIAMETER OF SAID WRITING INSTRUMENT, AT LEAST THREE LONGITUDINALLY DISPOSED FLUTES EVENLY SPACED AROUND THE CIRCUMFERENCE OF AND FORMED BY GENERALLY TRIANGULAR INDENTATIONS IN SAID BODY PORTION, SAID INDENTATIONS EXTENDING LONGITUDINALLY THE LENGTH OF SAID BODY PORTION, SAID FLUTES EXTENDING RADIALLY FROM SAID BODY PORTION AN EQUAL DISTANCE INTO SAID CENTRAL BORE TO PROVIDE ELONGATE CONSTANT SURFACES RUNNING THE LENGTH OF SAID BODY PORTION, SAID CONTACT SURFACES DEFINING A CENTRAL OPENING COAXIAL WITH SAID BORE AND NORMALLY SMALLER IN DIAMETER THAN SAID WRITING INSTRUMENT, SAID BODY PORTION AND SAID FLUTES BEING LONGITUDINALLY RIGID BUT RADIALLY AND RESILIENTLY YIELDABLE TO PERMIT OUTWARD BIASING OF SAID CONTACT SURFACES AND CONCOMITANT ENLARGING OF SAID CENTRAL OPENING UPON INSERTION OF SAID WRITING INSTRUMENT AXIALLY INTO SAID OPENING THROUGH EITHER OF SAID OPEN ENDS, THE RESILIENCY OF SAID BODY PORTION AND SAID FLUTES CREATING A COMPRESSIVE FORCE BETWEEN SAID CONTACT SURFACES AND SAID WRITING INSTRUMENT, WHEREBY SAID WRITING INSTRUMENT IS HELD SUSPENDED IN AND AXIALLY ALIGNED WITH SAID CENTRAL OPENING UNTIL REMOVED MANUALLY THEREFROM THROUGH EITHER OF SAID OPEN ENDS.
Claim 2
Dependent Claim 235 words
A PACKAGE CONTAINING AN ELONGATE GENERALLY CYLINDRICAL WRITING INSTRUMENT, COMRISING A GENERALLY TUBULAR BODY PORTION DEFINED BY A CIRCUMFERENTIALLY CONTINUOUS LENGTH OF THIN PLIANT MATERIAL OF SUBSTANTIALLY CONSTANT THICKNESS, SAID BODY PORTION BEING AT LEAST AS LONG AS SAID WRITING INSTRUMENT AND DEFINING A STRAIGHT CENTRAL BORE TERMINATING IN OPEN ENDS, THE DIAMETER OF SAID BORE BEING GREATER THAN THE DIAMETER OF SAID WRITING INSTRUMENT, AT LEAST THREE LONGITUDINALLY DISPOSED FLUTES EVENLY SPACED AROUND THE CIRCUMFERENCE OF AND FORMED BY GENERALLY TRIANGULAR INDENTATIONS IN SAID BODY PORTION, SAID INDENTATIONS EXTENDING LONGITUDINALLY THE LENGTH OF SAID BODY PORTION, SAID FLUTES EXTENDING RADIALLY FROM SAID BODY PORTION AN EQUAL DISTANCE INTO SAID CENTRAL BORE TO PROVIDE ELONGATE CONSTANT SURFACES RUNNING THE LENGTH OF SAID BODY PORTION, SAID CONTACT SURFACES DEFINING A CENTRAL OPENING COAXIAL WITH SAID BORE AND NORMALLY SMALLER IN DIAMETER THAN SAID WRITING INSTRUMENT, SAID BODY PORTION AND SAID FLUTES BEING LONGITUDINALLY RIGID BUT RADIALLY AND RESILIENTLY YIELDABLE TO PERMIT OUTWARD BIASING OF SAID CONTACT SURFACES AND CONCOMITANT ENLARGING OF SAID CENTRAL OPENING UPON INSERTION OF SAID WRITING INSTRUMENT AXIALLY INTO SAID OPENING THROUGH EITHER OF SAID OPEN ENDS, THE RESILIENCY OF SAID BODY PORTION AND SAID FLUTES CREATING A COMPRESSIVE FORCE BETWEEN SAID CONTACT SURFACES AND SAID WRITING INSTRUMENT, WHEREBY SAID WRITING INSTRUMENT IS HELD SUSPENDED IN AND AXIALLY ALIGNED WITH SAID CENTRAL OPENING UNTIL REMOVED MANUALLY THEREFROM THROUGH EITHER OF SAID OPEN ENDS.

References Cited (Backward Citations)

US440633A Cited
US1589430A Cited
GB304984A Cited
US1919811A Cited
US2874826A Cited
US2919046A Cited
FR1221727A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-24 1970-04-25 1970-10-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-24 1974-04-25 1974-10-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-24 1978-04-25 1978-10-25 $7700.00 Window Closed / Lapsed

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