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US2677443A Expired / Lapsed US ⏱️ 0.0 years remaining

Door construction

Assignee: VIRGINIA METAL PRODUCTS Inc
•
Filing: 1948-01-09
•
Granted: 1954-05-04
•
Expires: 1968-01-09
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Abstract

No abstract record available.

Inventors

  • 👤 Kottick Hyman William

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:17
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/62; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8541

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1323753A Cited
USRE21025E Cited
US978300A Cited
US1574493A Cited
US1759374A Cited
US1938112A Cited
US1917871A Cited
US2013412A Cited
US2004510A Cited
US1981289A Cited
US2180371A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-05-03 1957-11-02 1958-05-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-05-03 1961-11-02 1962-05-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-05-03 1965-11-02 1966-05-04 $7700.00 Window Closed / Lapsed

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