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US2795016A Expired / Lapsed US ⏱️ 0.0 years remaining

Balancing closure for windows, doors, partitions and the like

Assignee: Individual
•
Filing: 1951-05-03
•
Granted: 1957-06-11
•
Expires: 1971-05-03
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Abstract

No abstract record available.

Inventors

  • 👤 Lava Vittorio

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:00
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/40; E06B3/04; E06B3/26; E06B3/2605

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

NL47598C Cited
US304183A Cited
US868413A Cited
US1828692A Cited
US1935020A Cited
US2089081A Cited
US2186270A Cited
US2233018A Cited
GB562200A Cited
US2398017A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-06-10 1960-12-10 1961-06-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-06-10 1964-12-10 1965-06-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-06-10 1968-12-10 1969-06-11 $7700.00 Window Closed / Lapsed

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