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US2699809A Expired / Lapsed US ⏱️ 0.0 years remaining

Doorknob cushion

Assignee: Individual
•
Filing: 1952-08-29
•
Granted: 1955-01-18
•
Expires: 1972-08-29
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Abstract

No abstract record available.

Inventors

  • 👤 Nebe Kenneth
  • 👤 Guy E James

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:54
CPC Classifications
E; E05; E05B; E05B1/00; E05B1/0061; Y; Y10; Y10S; Y10S16/00; Y10S16/30; Y10S292/00; Y10S292/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1014450A Cited
US1410605A Cited
US1668716A Cited
US2070955A Cited
US2131067A Cited
US2200395A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-01-17 1958-07-19 1959-01-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-01-17 1962-07-19 1963-01-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-01-17 1966-07-19 1967-01-18 $7700.00 Window Closed / Lapsed

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