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US2712932A Expired / Lapsed US ⏱️ 0.0 years remaining

Tool supporting device

Assignee: Individual
•
Filing: 1951-08-20
•
Granted: 1955-07-12
•
Expires: 1971-08-20
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Abstract

No abstract record available.

Inventors

  • 👤 Jay P Gould

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:42
CPC Classifications
E; E21; E21B; E21B19/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US433657A Cited
US682536A Cited
US1474701A Cited
US1593444A Cited
US1950882A Cited
US1842638A Cited
US1902038A Cited
GB455841A Cited
US2170057A Cited
US2356444A Cited
US2372214A Cited
US2527980A Cited
US2500459A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-07-11 1959-01-10 1959-07-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-07-11 1963-01-10 1963-07-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-07-11 1967-01-10 1967-07-12 $7700.00 Window Closed / Lapsed

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