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US3001533A Expired / Lapsed US ⏱️ 0.0 years remaining

Spray ball construction

Assignee: HOLDREN BROTHERS Inc
•
Filing: 1958-01-15
•
Granted: 1961-09-26
•
Expires: 1978-01-15
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Abstract

No abstract record available.

Inventors

  • 👤 Donald R Holdren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:01
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/08; B08B9/093; B05; B05B; B05B1/00; B05B1/14; B05B1/1421; B05B1/1423

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE177517C Cited
US1313582A Cited
US1444889A Cited
US822546A Cited
US909654A Cited
US1749312A Cited
US1799525A Cited
US2213627A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-09-25 1965-03-27 1965-09-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-09-25 1969-03-27 1969-09-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-09-25 1973-03-27 1973-09-26 $7700.00 Window Closed / Lapsed

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