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US2731680A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable buildings

Assignee: Individual
•
Filing: 1954-04-01
•
Granted: 1956-01-24
•
Expires: 1974-04-01
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Abstract

No abstract record available.

Inventors

  • 👤 Harry C Bolt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 16:47
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/34305

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1362069A Cited
US1614722A Cited
US2395691A Cited
US2689987A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-01-23 1959-07-25 1960-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-01-23 1963-07-25 1964-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-01-23 1967-07-25 1968-01-24 $7700.00 Window Closed / Lapsed

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