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US2561358A Expired / Lapsed US ⏱️ 0.0 years remaining

Closure operator

Assignee: Individual
•
Filing: 1946-09-23
•
Granted: 1951-07-24
•
Expires: 1966-09-23
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Abstract

No abstract record available.

Inventors

  • 👤 Oliver A Gipple

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 13:55
CPC Classifications
A; A47; A47B; A47B81/00; A47B81/04; A47B1/00; A47B1/04; A47F; A47F3/00; A47F3/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US835701A Cited
US1263683A Cited
US1300759A Cited
US1406758A Cited
US1544542A Cited
US1635758A Cited
US1743812A Cited
DE657086C Cited
US2358071A Cited
US2351597A Cited
US2388978A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-07-23 1955-01-22 1955-07-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-07-23 1959-01-22 1959-07-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-07-23 1963-01-22 1963-07-24 $7700.00 Window Closed / Lapsed

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