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US3515730A Expired / Lapsed US ⏱️ 0.0 years remaining

Thenyl esters of cyclopropanecarboxylic acids

Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1967-10-26
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Granted: 1970-06-02
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Expires: 1987-10-26
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Abstract

No abstract record available.

Inventors

  • 👤 Masanao Matsui
  • 👤 Kenzo Ueda
  • 👤 Toshio Mizutani
  • 👤 Nobushige Itaya
  • 👤 Shigeyoshi Kitamura
  • 👤 Akira Fujinami
  • 👤 Yositosi Okuno
  • 👤 Keimei Fujimoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 11:14
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/50; C07D333/52; C07D333/54; C07D333/56; C07D333/02; C07D333/04; C07D333/06; C07D333/14; C07D333/16; C07D333/26; C07D333/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3047611A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-06-01 1973-12-01 1974-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-06-01 1977-12-01 1978-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-06-01 1981-12-01 1982-06-02 $7700.00 Window Closed / Lapsed

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