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US2767511A Expired / Lapsed US ⏱️ 0.0 years remaining

Insecticide vaporizers

Assignee: BUG ER Inc DE
•
Filing: 1951-12-05
•
Granted: 1956-10-23
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Expires: 1971-12-05
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence M Kissner
  • 👤 Clifford C Chapel
  • 👤 James E Leitch
  • 👤 Francis C Leitch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:17
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/20; A01M1/2022; A01M1/2061; A01M1/2077

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1955963A Cited
US1349703A Cited
US1336728A Cited
US1472170A Cited
US1477340A Cited
US1756787A Cited
US1868023A Cited
US1795328A Cited
US1971971A Cited
US2190135A Cited
US2119421A Cited
US2540095A Cited
US2541637A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-10-23 1960-04-23 1960-10-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-10-23 1964-04-23 1964-10-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-10-23 1968-04-23 1968-10-23 $7700.00 Window Closed / Lapsed

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