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US2845665A Expired / Lapsed US ⏱️ 0.0 years remaining

Window structure

Assignee: Individual
•
Filing: 1956-04-02
•
Granted: 1958-08-05
•
Expires: 1976-04-02
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Abstract

No abstract record available.

Inventors

  • 👤 Andrew S Place

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 03:37
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/38

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1265191A Cited
US1940322A Cited
US2136729A Cited
US2138816A Cited
US2248372A Cited
US2452815A Cited
GB747361A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-08-04 1962-02-03 1962-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-08-04 1966-02-03 1966-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-08-04 1970-02-03 1970-08-05 $7700.00 Window Closed / Lapsed

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