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31.Process of washing and protecting photographic silver images, and photographic products thereof 失效
Title translation: 洗涤和保护照相银图像的方法及其照相产品公开(公告)号:US2956877A
公开(公告)日:1960-10-18
申请号:US61382356
申请日:1956-10-04
Applicant: POLAROID CORP
Inventor: LAND EDWIN H , BLOUT ELKAN R , HAAS HOWARD C
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公开(公告)号:US2880659A
公开(公告)日:1959-04-07
申请号:US63662457
申请日:1957-01-28
Applicant: POLAROID CORP
Inventor: LAND EDWIN H , ELORANTA VAITO K
IPC: G03B17/52
CPC classification number: G03B17/52
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公开(公告)号:US2846309A
公开(公告)日:1958-08-05
申请号:US29935852
申请日:1952-07-17
Applicant: POLAROID CORP
Inventor: LAND EDWIN H
CPC classification number: G03C8/34
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34.
公开(公告)号:US2794740A
公开(公告)日:1957-06-04
申请号:US41239554
申请日:1954-02-24
Applicant: POLAROID CORP
Inventor: LAND EDWIN H , MILTON GREEN
IPC: G03C11/08
CPC classification number: G03C11/08
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公开(公告)号:US2788707A
公开(公告)日:1957-04-16
申请号:US41131854
申请日:1954-02-19
Applicant: POLAROID CORP
Inventor: LAND EDWIN H
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公开(公告)号:US2768564A
公开(公告)日:1956-10-30
申请号:US25216151
申请日:1951-10-19
Applicant: POLAROID CORP
Inventor: LAND EDWIN H
IPC: G03B17/52
CPC classification number: G03B17/52
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37.Photographic processes for producing prints by transfer and products useful in connection therewith 失效
Title translation: 用于通过传送产生印刷品的照相工艺和与其有关的产品公开(公告)号:US2740715A
公开(公告)日:1956-04-03
申请号:US31405352
申请日:1952-10-10
Applicant: POLAROID CORP
Inventor: LAND EDWIN H
IPC: G03D9/02
CPC classification number: G03D9/02
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公开(公告)号:US2708864A
公开(公告)日:1955-05-24
申请号:US29316652
申请日:1952-06-12
Applicant: POLAROID CORP
Inventor: LAND EDWIN H
IPC: G03B17/26
CPC classification number: G03B17/26
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公开(公告)号:US2706937A
公开(公告)日:1955-04-26
申请号:US25216251
申请日:1951-10-19
Applicant: POLAROID CORP
Inventor: LAND EDWIN H
IPC: G03B17/52
CPC classification number: G03B17/52
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40.Film-processing apparatus which employs liquid-carrying containers 失效
Title translation: 采用液体携带容器的胶片处理装置公开(公告)号:US2671393A
公开(公告)日:1954-03-09
申请号:US21216751
申请日:1951-02-21
Applicant: POLAROID CORP
Inventor: LAND EDWIN H
IPC: G03B17/52
CPC classification number: G03B17/52
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