Number | Date | Country | Kind |
---|---|---|---|
55-34345 | Mar 1980 | JPX | |
55-175031 | Dec 1980 | JPX | |
55-176276 | Dec 1980 | JPX |
This application is a division of application Ser. No. 512,699, filed July 11, 1983, now abandoned, which is a continuation of Ser. No. 240,115, filed Mar. 3, 1981, now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
545022 | Jackson | Aug 1895 | |
1907907 | Varney | May 1933 | |
2502005 | Hansell | Mar 1950 | |
3707754 | Meleka et al. | Jan 1973 | |
4007616 | Aleck | Feb 1977 |
Number | Date | Country |
---|---|---|
2792 | Mar 1964 | JPX |
1242014 | Aug 1971 | GBX |
1285872 | Aug 1972 | GBX |
Entry |
---|
"Spring Designers Handbook", Carlson, Harold, Marcel Dekker, Inc., 1978, pp. 27-57. |
"Spring Design-a Practical Treatment", W. R. Berry, Emmott & Company Limited, 1961, p. 41. |
"Handbook of Mechanical Spring Design", Associated Spring Corporation, 1952, pp. 6-9. |
"Mechanical Springs", Wahl, A. M., 2nd ed., McGraw-Hill Book Co., Inc., N.Y., 1963, pp. 19-29. |
"Spring Manufacturing Handbook", Carlson, Harold, Marcel Dekker Inc., N.Y., 1982, pp. 52-53. |
Number | Date | Country | |
---|---|---|---|
Parent | 512699 | Jul 1983 |
Number | Date | Country | |
---|---|---|---|
Parent | 240115 | Mar 1981 |