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US2865929A Expired / Lapsed US ⏱️ 0.0 years remaining

Thenyl ureas

Assignee: Monsanto Chemicals Ltd
•
Filing: 1956-07-23
•
Granted: 1958-12-23
•
Expires: 1976-07-23
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Abstract

No abstract record available.

Inventors

  • 👤 David J Beaver
  • 👤 Paul J Stoffel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 02:48
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/14; C07D333/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
THENYL UREAS OF THE STRUCTURE
Claim 2
Dependent Claim 5 words
THENYL UREAS OF THE STRUCTURE

References Cited (Backward Citations)

US2533798A Cited
US2710839A Cited
US2704245A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-22 1962-06-23 1962-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-22 1966-06-23 1966-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-22 1970-06-23 1970-12-23 $7700.00 Window Closed / Lapsed

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