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US2954174A Expired / Lapsed US ⏱️ 0.0 years remaining

Batch pulper

Assignee: John W Bolton and Sons Inc
•
Filing: 1957-06-19
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Granted: 1960-09-27
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Expires: 1977-06-19
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Abstract

No abstract record available.

Inventors

  • 👤 Richard W Polleys

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 07:06
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/04; D21B1/12; D21B1/30; D21B1/34; D21B1/345

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

NL70549C Cited
US94005A Cited
US2028595A Cited
US2371837A Cited
US2434449A Cited
US2424726A Cited
US2653520A Cited
AT167612B Cited
US2557174A Cited
US2641971A Cited
US2674927A Cited
US2707420A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-09-27 1964-03-28 1964-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-09-27 1968-03-28 1968-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-09-27 1972-03-28 1972-09-27 $7700.00 Window Closed / Lapsed

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