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US3050768A Expired / Lapsed US ⏱️ 0.0 years remaining

Felt pack construction of pens

Assignee: SPEEDRY CHEMICAL PRODUCTS Inc
•
Filing: 1961-01-05
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Granted: 1962-08-28
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Expires: 1981-01-05
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Abstract

No abstract record available.

Inventors

  • 👤 Sidney N Rosenthal

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:17
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/0013; B; B43; B43K; B43K8/00; B43K8/02; B43K8/024; Y; Y10; Y10S; Y10S215/00; Y10S215/08; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/49938

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US211104A Cited
US2732824A Cited
US1576533A Cited
US2243752A Cited
US2416596A Cited
US2547541A Cited
US2713176A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-08-27 1966-02-26 1966-08-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-08-27 1970-02-26 1970-08-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-08-27 1974-02-26 1974-08-28 $7700.00 Window Closed / Lapsed

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