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US2599077A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary tool for scraping tube interiors

Assignee: Individual
•
Filing: 1948-09-04
•
Granted: 1952-06-03
•
Expires: 1968-09-04
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Abstract

No abstract record available.

Inventors

  • 👤 Charles E Sturgis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:42
CPC Classifications
F; F28; F28G; F28G3/00; F28G3/10; F28G3/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US514315A Cited
US1562327A Cited
US684981A Cited
US1179060A Cited
US1363496A Cited
US1473321A Cited
US1685380A Cited
US1705542A Cited
US1988595A Cited
GB387250A Cited
US2020442A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-06-03 1955-12-03 1956-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-06-03 1959-12-03 1960-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-06-03 1963-12-03 1964-06-03 $7700.00 Window Closed / Lapsed

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