IT8868100A0 - CARDBOARD SLIDING RULE OR SIMILAR FOR INDEX CONVERSION TABLES AND SIMILAR HANDBOOKS - Google Patents

CARDBOARD SLIDING RULE OR SIMILAR FOR INDEX CONVERSION TABLES AND SIMILAR HANDBOOKS

Info

Publication number
IT8868100A0
IT8868100A0 IT8868100A IT6810088A IT8868100A0 IT 8868100 A0 IT8868100 A0 IT 8868100A0 IT 8868100 A IT8868100 A IT 8868100A IT 6810088 A IT6810088 A IT 6810088A IT 8868100 A0 IT8868100 A0 IT 8868100A0
Authority
IT
Italy
Prior art keywords
similar
handbooks
conversion tables
index conversion
sliding rule
Prior art date
Application number
IT8868100A
Other languages
Italian (it)
Other versions
IT1223984B (en
Inventor
Fulgenzi Ettore
Original Assignee
Fulgenzi Ettore
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 Fulgenzi Ettore filed Critical Fulgenzi Ettore
Priority to IT68100/88A priority Critical patent/IT1223984B/en
Publication of IT8868100A0 publication Critical patent/IT8868100A0/en
Priority to EP19890202934 priority patent/EP0372607A3/en
Application granted granted Critical
Publication of IT1223984B publication Critical patent/IT1223984B/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
    • G06G1/06—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with rectilinear scales, e.g. slide rule

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Cartons (AREA)
  • Medicines Containing Plant Substances (AREA)
IT68100/88A 1988-12-09 1988-12-09 SLIDING REGULATION OF CARDBOARD OR SIMILAR FOR CONVERSION TABLES ADDRESSES AND SIMILAR READS IT1223984B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT68100/88A IT1223984B (en) 1988-12-09 1988-12-09 SLIDING REGULATION OF CARDBOARD OR SIMILAR FOR CONVERSION TABLES ADDRESSES AND SIMILAR READS
EP19890202934 EP0372607A3 (en) 1988-12-09 1989-11-20 A sliding rule for conversion tables, address directories and similar references, made of cardboard or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68100/88A IT1223984B (en) 1988-12-09 1988-12-09 SLIDING REGULATION OF CARDBOARD OR SIMILAR FOR CONVERSION TABLES ADDRESSES AND SIMILAR READS

Publications (2)

Publication Number Publication Date
IT8868100A0 true IT8868100A0 (en) 1988-12-09
IT1223984B IT1223984B (en) 1990-09-29

Family

ID=11307855

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68100/88A IT1223984B (en) 1988-12-09 1988-12-09 SLIDING REGULATION OF CARDBOARD OR SIMILAR FOR CONVERSION TABLES ADDRESSES AND SIMILAR READS

Country Status (2)

Country Link
EP (1) EP0372607A3 (en)
IT (1) IT1223984B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU675667B2 (en) * 1993-11-12 1997-02-13 No. 1 Little Collins St. Pty. Ltd. An indicating device for indicating relevant dates of a pct application
IT1297967B1 (en) * 1997-03-19 1999-12-20 Promo Service Di Michele Maffe SIMPLIFIED ASSEMBLY DEVICE FOR THE PREPARATION OF RULES AND / OR STRUCTURES THAT CONTAIN THEM MADE OF PAPER, CARDBOARD AND
US10625536B2 (en) * 2018-06-06 2020-04-21 Konstantinos Martinos Document case and template with decorative cover

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025767A (en) * 1959-02-18 1962-03-20 John B Ruffalo Paper slide rule calculator
US3711014A (en) * 1971-08-16 1973-01-16 J Tucker Personal portfolio computer
US3902656A (en) * 1973-12-06 1975-09-02 Rothchild Printing Company Inc Slide calculator construction
US4233768A (en) * 1978-09-21 1980-11-18 Bromberg Howard M Slide calculator

Also Published As

Publication number Publication date
EP0372607A2 (en) 1990-06-13
EP0372607A3 (en) 1990-10-03
IT1223984B (en) 1990-09-29

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19981218