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US2594425A Expired / Lapsed US ⏱️ 0.0 years remaining

Removable runway

Assignee: Individual
•
Filing: 1948-01-30
•
Granted: 1952-04-29
•
Expires: 1968-01-30
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Abstract

No abstract record available.

Inventors

  • 👤 Greenberg Hymen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 06:04
CPC Classifications
A; A47; A47G; A47G27/00; A47G27/04; A47G27/0406; A47G27/0431; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44932

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US273300A Cited
US610807A Cited
US1114319A Cited
US1576527A Cited
US1568303A Cited
US1847373A Cited
GB412742A Cited
US2184569A Cited
US2258314A Cited
US2449904A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-04-29 1955-10-29 1956-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-04-29 1959-10-29 1960-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-04-29 1963-10-29 1964-04-29 $7700.00 Window Closed / Lapsed

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