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US2641805A Expired / Lapsed US ⏱️ 0.0 years remaining

Window frame tear-off flange

Assignee: TILT TYPE PRODUCTS Inc
•
Filing: 1951-12-21
•
Granted: 1953-06-16
•
Expires: 1971-12-21
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Abstract

No abstract record available.

Inventors

  • 👤 Spector Sam
  • 👤 George J Teplanszki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 10:31
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US237860A Cited
US450082A Cited
US1961728A Cited
US2126114A Cited
US2282061A Cited
US2554915A Cited
US2509582A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-06-15 1956-12-15 1957-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-06-15 1960-12-15 1961-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-06-15 1964-12-15 1965-06-16 $7700.00 Window Closed / Lapsed

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