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US2700326A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for making accreted fibrous tubular bodies

Assignee: Hawley Products Co
•
Filing: 1949-07-29
•
Granted: 1955-01-25
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Expires: 1969-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Russell H Curtis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 16:32
CPC Classifications
D; D21; D21J; D21J7/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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US2539768A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-01-24 1958-07-26 1959-01-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-01-24 1962-07-26 1963-01-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-01-24 1966-07-26 1967-01-25 $7700.00 Window Closed / Lapsed

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