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US2537664A Expired / Lapsed US ⏱️ 0.0 years remaining

Bed spring

Assignee: Individual
•
Filing: 1945-11-27
•
Granted: 1951-01-09
•
Expires: 1965-11-27
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Abstract

No abstract record available.

Inventors

  • 👤 Herbert I Golding

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:00
CPC Classifications
A; A47; A47C; A47C23/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1171297A Cited
US1198084A Cited
US1706585A Cited
US1912711A Cited
US2004549A Cited
US2373421A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-01-08 1954-07-10 1955-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-01-08 1958-07-10 1959-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-01-08 1962-07-10 1963-01-09 $7700.00 Window Closed / Lapsed

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