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US2773270A Expired / Lapsed US ⏱️ 0.0 years remaining

Adjustable innerspring unit

Assignee: Nachman Corp
•
Filing: 1952-09-13
•
Granted: 1956-12-11
•
Expires: 1972-09-13
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Abstract

No abstract record available.

Inventors

  • 👤 Rexford A Rozelle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:40
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/061

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US71014A Cited
US206817A Cited
US1694995A Cited
DE491247C Cited
US1882538A Cited
US2224300A Cited
US2485199A Cited
US2558288A Cited
US2595072A Cited
US2630585A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-12-11 1960-06-11 1960-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-12-11 1964-06-11 1964-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-12-11 1968-06-11 1968-12-11 $7700.00 Window Closed / Lapsed

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