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US3497017A Expired / Lapsed US ⏱️ 0.0 years remaining

Impacting machine using dynamic reaction force

Assignee: Individual
•
Filing: 1968-02-23
•
Granted: 1970-02-24
•
Expires: 1988-02-23
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Abstract

No abstract record available.

Inventors

  • 👤 William H Goettl
  • 👤 John M Goettl
  • 👤 Robert G Wilson
  • 👤 Emery L Henderson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 04:01
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/26; E04H17/261; E04H17/263; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/068

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US644014A Cited
US968437A Cited
US2723608A Cited
US2938438A Cited
US3181442A Cited
US3253522A Cited
US3308728A Cited
US3376799A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-23 1973-08-25 1974-02-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-23 1977-08-25 1978-02-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-23 1981-08-25 1982-02-24 $7700.00 Window Closed / Lapsed

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