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US2889089A Expired / Lapsed US ⏱️ 0.0 years remaining

Plastic coupling structures and drain

Assignee: Coleman Co Inc
•
Filing: 1956-03-16
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Granted: 1959-06-02
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Expires: 1976-03-16
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Abstract

No abstract record available.

Inventors

  • 👤 Herrick Wallace
  • 👤 Mel E Winters

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:31
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/115; F16L37/00; F16L37/008; F16L37/02; F16L37/025; F16L37/04; F16L55/11; F16L55/1141; Y; Y10; Y10S; Y10S285/00; Y10S285/921; Y10S29/00; Y10S29/034; Y10S63/00; Y10S63/03; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49876

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US980355A Cited
US1892788A Cited
US1867430A Cited
US2690861A Cited
US2751131A Cited
US2748984A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-06-01 1962-12-01 1963-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-06-01 1966-12-01 1967-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-06-01 1970-12-01 1971-06-02 $7700.00 Window Closed / Lapsed

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