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US2854230A Expired / Lapsed US ⏱️ 0.0 years remaining

Glass fiber spring unit and method of making same

Assignee: VIBRADAMP Corp
•
Filing: 1955-10-31
•
Granted: 1958-09-30
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Expires: 1975-10-31
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Abstract

No abstract record available.

Inventors

  • 👤 William E Jones
  • 👤 Frank A Marovich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:54
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/128

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2002399A Cited
GB403249A Cited
GB476678A Cited
US2331146A Cited
US2325026A Cited
US2375182A Cited
US2338839A Cited
US2371788A Cited
US2489242A Cited
US2785739A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-09-29 1962-03-31 1962-09-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-09-29 1966-03-31 1966-09-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-09-29 1970-03-31 1970-09-30 $7700.00 Window Closed / Lapsed

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