FR335373A - Tank feather - Google Patents

Tank feather

Info

Publication number
FR335373A
FR335373A FR335373DA FR335373A FR 335373 A FR335373 A FR 335373A FR 335373D A FR335373D A FR 335373DA FR 335373 A FR335373 A FR 335373A
Authority
FR
France
Prior art keywords
feather
tank
tank feather
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Albert Ernst Schaaf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR335373A publication Critical patent/FR335373A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/02—Ink reservoirs
    • B43K5/04—Ink reservoirs flexible
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1042—Elastomer protector or centering means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
FR335373D 1903-03-04 1903-09-18 Tank feather Expired FR335373A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US335373XA 1929-05-20 1929-05-20

Publications (1)

Publication Number Publication Date
FR335373A true FR335373A (en) 1904-01-22

Family

ID=21870977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR335373D Expired FR335373A (en) 1903-03-04 1903-09-18 Tank feather

Country Status (2)

Country Link
FR (1) FR335373A (en)
GB (1) GB335373A (en)

Also Published As

Publication number Publication date
GB335373A (en) 1930-09-25

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