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Atty. Dou-V No._Y0987^MBZ_ 



THE UNITED STATES PATENT AND TRADEMARK OFFICE 
Amendment/Response Transmittal 



V\i' 



In re^SppSSBtiiSh of: J. Bednorz et al. 

Serial No.: 08/479,810 

Filed: June 7, 1995 ; * 1 

For: NEW SUPERCONDUCTIVE COMPOUNDS HAVING HIGH 

TRANSITION TEMPERATURE, AND METHODS FOR THIER 
USE AND PREPARATION 



Commissioner of Patents and Trademarks 
Washington, D.C. 20231 £\E S 

Sir: 

Transmitted herewith for filing is an Amendment/Ri 

I I No additional fee is required. 
J I The fee has been calculated as shown below: 



[se" in the above-identified Application 



(Col. 1) 




(Col. 2) 


(Col. 3) 


CLAIMS REMAINING 
AFTER 
AMENDMENT 




HIGHEST NO. 
PREVIOUSLY 
PAID FOR 


PRESENT 
EXTRA 


TOTAL * 


MINUS 


** 


= 0 


INDEPENDENT * 


MINUS 


*** 


= 0 


[~~| 1ST PRESENTATION OF MULTIPLE DEP. CLAIMS 



Other Than Small Entity 



RATE 


ADDITION- 




AL FEE 


x $22.00= 


$ 


x $78.00= 


$ 


$250.00 


$ 


TOTAL 


$ 



* If the entry in Col. 1 is less than the entry in Col. 2, write "0" in Col. 3. 

** If the "Highest No. Previously Paid For" IN THIS SPACE is less than 20, write "20" in this 
space. 

*** If the "Highest No. Previously Paid For" (Total or Independent) is the highest number found 

from the equivalent box in Col. 1 of a prior amendment or the number of claims originally filed. 

[~X~| Please charge Deposit Account No. 09-0468 any fee necessary to enter this paper. 

pT| The Commissioner is hereby authorized to charge payment of the following fees associated with 
this communication or credit any overpayment to Deposit Account No. 09-0468 . A duplicate 
copy of this sheet is enclosed. 

I X I Any additional filing fees required under 37 C.F.R. §1.16. 
I X I Any patent application processing fees under 37 C.F.R. §1.17. 



Date: May 31. 1996 



IBM CORPORATION 
Intellectual Property Law Dept. 
P.O. Box 218 - -~ . 
Yorktown Heights, NY 10598 
Tel. No. (914) 945-3217 



Respecrfujfek submitted, 




Daniel P. Morris 
Attorney 

Registration No. 32,053 




IN THE UNITED STATES PATENT AND TRADEMARK OFFICE 




Applicants: J. Bednorz et al. 
Serial No.: 08/479,810 
Filed: June 7, 1995 



Date: May 31, 1996 
Group Art Unit: 1105 
Examiner: 



For: NEW SUPERCONDUCTIVE COMPOUNDS HAVING HIGH 
TRANSITION TEMPERATURE, AND METHODS FOR THEIR 
USE AND PREPARATION 



The Commissioner of Patents and Trademarks 
Washington, D.C. 20231 



PRELIMINARY AMENDMENT 



Sir: 



Please amend the above-identified application as follows: 



IN THE CLAIMS 




1. (Amended) A superconductive apparatus comprising a composition having a 
transition temperature greater than 26°K, tjfc composition including a rare earth or rare 
earth-like element, a transition metal element capable of exhibiting multivalent states 
and oxygen, [and] including at least oJz phase that exhibits superconductivity at 
temperature in excess of 26°K;.us or/& a means for maintaining said composition at said 
temperature to exhibit said superconductivity and means for passing an electrical 
supercurrent through said composition while exhibiting said superconductivity. 



YO987-074BZ