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USD244530S Expired / Lapsed US ⏱️ 0.0 years remaining

Module for a sewage filter bed or similar article

Assignee: Bell and Reading Engr Ltd
•
Filing: 1975-10-07
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Granted: 1977-05-31
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Expires: 1995-10-07
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Abstract

No abstract record available.

Inventors

  • 👤 John Bell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 05:16
CPC Classifications
—

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 18 words
The ornamental design for a module for a sewage filter bed or similar article, as shown and described.

References Cited (Backward Citations)

US3430934A Cited
US3489208A Cited
US3506248A Cited
US3752453A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-05-30 1980-11-29 1981-05-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-05-30 1984-11-29 1985-05-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-05-30 1988-11-29 1989-05-31 $7700.00 Window Closed / Lapsed

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