Electronic calculator

- Casio
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Description

FIG. 1 is a reduced-scale front, right side perspective view of an electronic calculator showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view of thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a reduced-scale rear, left side perspective view thereof.

Claims

The ornamental design for an electronic calculator as shown and described.

Referenced Cited
U.S. Patent Documents
D273303 April 3, 1984 Sakamoto
D273393 April 10, 1984 Sakamoto
D273593 April 24, 1984 Sakamoto
D274439 June 26, 1984 Sakata et al.
D285934 September 30, 1986 Suwa et al.
D287024 December 2, 1986 Satake
D308534 June 12, 1990 Sawada et al.
D364890 December 5, 1995 Suzuki et al.
D367289 February 20, 1996 Chung
D377190 January 7, 1997 Matsuda
D394449 May 19, 1998 Shimizu
D408440 April 20, 1999 Matsuda et al.
D433058 October 31, 2000 Kuwahara et al.
D455454 April 9, 2002 Swyst et al.
D484906 January 6, 2004 Arnold et al.
D499758 December 14, 2004 Fries
D501499 February 1, 2005 Matsuda
D533894 December 19, 2006 Chan
D553670 October 23, 2007 Kloeckner et al.
D560712 January 29, 2008 De Brebisson
D580478 November 11, 2008 Matsuda et al.
D584762 January 13, 2009 Ono et al.
D598485 August 18, 2009 Miyahara et al.
D598486 August 18, 2009 Miyahara et al.
D631086 January 18, 2011 Ono et al.
D640677 June 28, 2011 Kim et al.
D652070 January 10, 2012 Takahashi
D676079 February 12, 2013 Rubin
D677715 March 12, 2013 Rubin
D720802 January 6, 2015 Yaekura et al.
D806785 January 2, 2018 Nakamura et al.
D807425 January 9, 2018 Minamide
D810190 February 13, 2018 Koike
D892208 August 4, 2020 Miyahara
D898818 October 13, 2020 Miyahara et al.
D902298 November 17, 2020 Miyahara
D902299 November 17, 2020 Miyahara
D902300 November 17, 2020 Miyahara
D902301 November 17, 2020 Miyahara
D911433 February 23, 2021 Yang
D941387 January 18, 2022 Yang
D942534 February 1, 2022 Al-husseini
D943661 February 15, 2022 Park
D967833 October 25, 2022 Fountain et al.
D967834 October 25, 2022 Fountain et al.
D978961 February 21, 2023 Park
D1000990 October 10, 2023 Read et al.
D1039599 August 20, 2024 Oka et al.
D1045883 October 8, 2024 Fountain et al.
D1056038 December 31, 2024 Oka et al.
D1075900 May 2025 Oka
D1084116 July 15, 2025 Oka
20250130693 April 24, 2025 Okuma
20250131896 April 24, 2025 Tanaka
Foreign Patent Documents
307501020 September 2022 CN
307888567 March 2023 CN
Other references
  • Casio School Calculator FX-92 college classwiz. (online) 6 pgs. Date First Available: Feb. 19, 2023 [Retrieved Apr. 23, 2025] https://www.amazon.co.uk/Casio-Calculator-Classwiz-Engineering-Scientific-Green/dp/B0BVRJ442L/ref=pd_sim_d_sccl_4_4/262-3912439-7076139?pd_rd.
  • Notice of Allowance dated Jun. 20, 2024, issued in parent U.S. Appl. No. 29/827,255.
  • Office Action (Requirement for Restriction/Election) dated Mar. 14, 2024, issued in parent U.S. Appl. No. 29/827,255.
  • Casio, (date first available Dec. 12, 2022), Casio FX-991CW Classwiz Non-Programmable Scientific Calculator, Amazon.in, URL: ( https://www.amazon.in/Casio-FX-991 CW-Non-Programmable-Scientific-Calculator/dp/B0BLVCFK8D?th=1), (Year: 2022).
  • Casio, (date first available Dec. 28, 2019), Casio FX-82ES Plus 2nd Edition, Amazon.in, URL: (https://www.amazon.in/Casio-FX-82ES-Plus-2nd-Non-Programmable/dp/B082P6TTMP?th=1), (Year: 2019).
  • Office Action (Ex Parte Quayle) dated Feb. 25, 2025, issued in related U.S. Appl. No. 29/827,256.
  • Office Action (Non-Final Rejection) dated Feb. 27, 2025, issued in related U.S. Appl. No. 29/827,259.
  • Osalo, (date first available Sep. 21, 2023), Osalo Scientific Calculator 417, Amazon.com, URL: (https://www.amazon.com/OSALO-Scientific-Calculator-Calculators-Plus/dp/BOCJJ15LVC, (Year: 2023).
Patent History
Patent number: D1092612
Type: Grant
Filed: Apr 4, 2024
Date of Patent: Sep 9, 2025
Assignee: CASIO KEISANKI KABUSHIKI KAISHA (Tokyo)
Inventors: Shunsuke Oka (Tokyo), Kyohei Ishii (Tokyo)
Primary Examiner: Marie D. Fast Horse
Application Number: 29/935,920
Classifications
Current U.S. Class: With Keyboard (D18/7)