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US2994533A Expired / Lapsed US ⏱️ 0.0 years remaining

Teaching device for bowlers

Assignee: Individual
•
Filing: 1959-08-18
•
Granted: 1961-08-01
•
Expires: 1979-08-18
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Matthew P Pupilla

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:42
CPC Classifications
A; A63; A63D; A63D5/00; A63B; A63B69/00; A63B69/0046

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1169188A Cited
US2191683A Cited
US2723125A Cited
US2794638A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-07-31 1965-01-30 1965-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-07-31 1969-01-30 1969-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-07-31 1973-01-30 1973-08-01 $7700.00 Window Closed / Lapsed

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