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US3248113A Expired / Lapsed US ⏱️ 0.0 years remaining

Bowling ball

Assignee: AMF Inc
•
Filing: 1962-06-05
•
Granted: 1966-04-26
•
Expires: 1982-06-05
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Abstract

No abstract record available.

Inventors

  • 👤 Alois C Baggenstoss
  • 👤 Donal P Dorne
  • 👤 William A Dunne
  • 👤 Joseph R Infantino

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 16:30
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0001; A63B2208/00; A63B2208/12; Y; Y10; Y10S; Y10S273/00; Y10S273/03; Y10S273/04; Y10S273/08

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 56 words
A BOWLING BALL HAVING A SURFACE LAYER OF FROM ABOUT 0.25 INCH TO ABOUT 2.0 INCHES IN THICKNESS COMPRISING POLYURETHANE RESIN IN ADMIXTURE WITH BETWEEN ABOUT 5 TO ABOUT 40% BY WEIGHT OF EPOXY RESIN BASED ON THE TOTAL WEIGHT OF EPOXY AND POLYURETHANE AND HAVING A DUROMETER HARDNESS OF FROM ABOUT 60 TO ABOUT 100.

References Cited (Backward Citations)

US573797A Cited
US575128A Cited
CA641073A Cited
US1201502A Cited
US1518130A Cited
US2166950A Cited
US2291738A Cited
US2414672A Cited
US2787024A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-25 1969-10-25 1970-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-25 1973-10-25 1974-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-25 1977-10-25 1978-04-26 $7700.00 Window Closed / Lapsed

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