GB325357A - Improvements in or relating to combined calculating and writing instruments - Google Patents

Improvements in or relating to combined calculating and writing instruments

Info

Publication number
GB325357A
GB325357A GB2025/29A GB202529A GB325357A GB 325357 A GB325357 A GB 325357A GB 2025/29 A GB2025/29 A GB 2025/29A GB 202529 A GB202529 A GB 202529A GB 325357 A GB325357 A GB 325357A
Authority
GB
United Kingdom
Prior art keywords
slide
secured
members
ruxton
writing
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
GB2025/29A
Other languages
English (en)
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.)
RUXTON MULTI VIDER CORP
Original Assignee
RUXTON MULTI VIDER CORP
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 RUXTON MULTI VIDER CORP filed Critical RUXTON MULTI VIDER CORP
Publication of GB325357A publication Critical patent/GB325357A/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
    • B43K29/00—Combinations of writing implements with other articles
    • B43K29/08—Combinations of writing implements with other articles with measuring, computing or indicating devices
    • B43K29/093—Combinations of writing implements with other articles with measuring, computing or indicating devices with calculators

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Pens And Brushes (AREA)
GB2025/29A 1928-11-10 1929-01-21 Improvements in or relating to combined calculating and writing instruments Expired GB325357A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US325357XA 1928-11-10 1928-11-10

Publications (1)

Publication Number Publication Date
GB325357A true GB325357A (en) 1930-02-20

Family

ID=21865444

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2025/29A Expired GB325357A (en) 1928-11-10 1929-01-21 Improvements in or relating to combined calculating and writing instruments

Country Status (2)

Country Link
BE (1) BE358569A (enExample)
GB (1) GB325357A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656978A (en) * 1950-10-24 1953-10-27 Hafner Theodore Improvement in or relating to slide rule
CN104210280A (zh) * 2013-06-03 2014-12-17 陆琦 一种新颖笔

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656978A (en) * 1950-10-24 1953-10-27 Hafner Theodore Improvement in or relating to slide rule
CN104210280A (zh) * 2013-06-03 2014-12-17 陆琦 一种新颖笔

Also Published As

Publication number Publication date
BE358569A (enExample) 1929-04-30

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