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US3003288A Expired / Lapsed US ⏱️ 0.0 years remaining

Self sealing asphalt shingles

Assignee: Philip Carey Manufacturing Co
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Filing: 1957-06-17
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Granted: 1961-10-10
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Expires: 1977-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 Walton V Leibrook
  • 👤 Fasold George Arthur

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 03:25
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/26; E04D1/29; E04D2001/005

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-09 1965-04-10 1965-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-09 1969-04-10 1969-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-09 1973-04-10 1973-10-10 $7700.00 Window Closed / Lapsed

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