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US3482269A Expired / Lapsed US ⏱️ 0.0 years remaining

Chemical dispenser

Assignee: LIEN CHEM CO
•
Filing: 1968-03-06
•
Granted: 1969-12-09
•
Expires: 1988-03-06
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Abstract

No abstract record available.

Inventors

  • 👤 Casper J Tietema
  • 👤 Donald M Rodak

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:54
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/02; E03D9/03; E03D9/031

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US131422A Cited
US341234A Cited
US521411A Cited
GB189705859A Cited
US669572A Cited
GB189816646A Cited
US1127207A Cited
GB125273A Cited
CH252096A Cited
GB692495A Cited
DE911118C Cited
US3060456A Cited
US3118462A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-12-08 1973-06-09 1973-12-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-12-08 1977-06-09 1977-12-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-12-08 1981-06-09 1981-12-09 $7700.00 Window Closed / Lapsed

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