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US2615490A Expired / Lapsed US ⏱️ 0.0 years remaining

Control and indicating means

Assignee: MW Kellogg Co
•
Filing: 1949-10-05
•
Granted: 1952-10-28
•
Expires: 1969-10-05
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Abstract

No abstract record available.

Inventors

  • 👤 Marcy Henry Tyler
  • 👤 Mayer Ernest
  • 👤 John F Reeves

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 07:35
CPC Classifications
B; B29; B29C; B29C67/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19126

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1612117A Cited
US1637039A Cited
US1816218A Cited
US2179171A Cited
US2145255A Cited
GB512345A Cited
US2306223A Cited
US2419210A Cited
US2475461A Cited
US2439094A Cited
US2480774A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-10-28 1956-04-28 1956-10-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-10-28 1960-04-28 1960-10-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-10-28 1964-04-28 1964-10-28 $7700.00 Window Closed / Lapsed

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