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US2700820A Expired / Lapsed US ⏱️ 0.0 years remaining

Unseamer

Assignee: Individual
•
Filing: 1952-01-24
•
Granted: 1955-02-01
•
Expires: 1972-01-24
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Abstract

No abstract record available.

Inventors

  • 👤 Garduno Fernando

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:38
CPC Classifications
A; A41; A41H; A41H31/00; A41H31/005; Y; Y10; Y10S; Y10S30/00; Y10S30/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1095606A Cited
US985531A Cited
US1129310A Cited
US1406156A Cited
US1541624A Cited
US2483750A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-01-31 1958-08-02 1959-02-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-01-31 1962-08-02 1963-02-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-01-31 1966-08-02 1967-02-01 $7700.00 Window Closed / Lapsed

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