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US2433007A Expired / Lapsed US ⏱️ 0.0 years remaining

Internal-combustion percussion tool

Assignee: Individual
•
Filing: 1943-07-30
•
Granted: 1947-12-23
•
Expires: 1963-07-30
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Abstract

No abstract record available.

Inventors

  • 👤 Carl S Weyandt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 22:05
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/06; B25D9/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US226539A Cited
US1308811A Cited
US805633A Cited
US1598476A Cited
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US2029318A Cited
US2056293A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-12-22 1951-06-23 1951-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-12-22 1955-06-23 1955-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-12-22 1959-06-23 1959-12-23 $7700.00 Window Closed / Lapsed

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