Recorded during the Long John Silver tour, Thirty Seconds Over Winterland was the band's second live album, after Bless Its Pointed Little Head. The complete final concert of this tour may be heard on the Last Flight CD, released in 2007.
In 1989, software company Berkeley Systems released its immensely popular After Darkscreensaver. The best-known of the various screensaver options was Flying Toasters.[3][4] Jefferson Airplane sued Berkeley Systems in 1994, claiming that the toasters were a copy of the winged toasters featured on the Thirty Seconds album cover.[5] The band's case was lost because Berkeley claimed no prior knowledge of the artwork, jacket cover art work had to be registered separately from the sound recording, and the judge noted the band had failed to trademark the cover art.[6][7][8]
^"In Jefferson Airplane v. Berkeley Systems, Inc., 32 U.S.P.Q. 2d 1632 (N.D. Cal. 1994), the district court deferred to Office registration regulations and practices presented by then-music examiner Marybeth Peters. The court held that a pre-1978 registration for a sound recording does not cover artwork on the album cover. Under practices governing sound recordings registered under the 1909 Act, jacket cover art work had to be registered separately from the sound recording, and the court was unwilling to rule that a Class N registration covered all the copyrightable authorship owned by the plaintiff." page 14, 98th ANNUAL REPORT OF THE REGISTER OF COPYRIGHTS For the fiscal year ending September 30 1995 LIBRARY OF CONGRESS / WASHINGTON, D.C. / 1996
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