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US2593657A Expired / Lapsed US ⏱️ 0.0 years remaining

Air swept crusher for fluorescent light tubes

Assignee: International Motors LLC
•
Filing: 1949-06-10
•
Granted: 1952-04-22
•
Expires: 1969-06-10
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Abstract

No abstract record available.

Inventors

  • 👤 Allyn J Coon
  • 👤 William W Gruel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 11:02
CPC Classifications
B; B02; B02C; B02C19/00; B02C19/0056; B02C19/0068; Y; Y10; Y10S; Y10S100/00; Y10S100/902; Y10S241/00; Y10S241/14

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US275675A Cited
US278274A Cited
US825699A Cited
US819312A Cited
US873081A Cited
GB190826206A Cited
US984758A Cited
US1188323A Cited
US1413116A Cited
US1954465A Cited
US2027782A Cited
US2339596A Cited
US2426346A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-04-22 1955-10-22 1956-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-04-22 1959-10-22 1960-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-04-22 1963-10-22 1964-04-22 $7700.00 Window Closed / Lapsed

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