Patent US3090620A successfully refreshed from Google Patents.
US3090620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling ball
Assignee: Exide Technologies LLC
•
Filing: 1958-04-04
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Granted: 1963-05-21
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Expires: 1978-04-04
Abstract
No abstract record available.
Inventors
- 👤 James W Consolloy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:24
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0001; Y; Y10; Y10S; Y10S273/00; Y10S273/05; Y10S273/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A BOWLING BALL OF STANDARD SIZE AND SHAPE COMPRISING, IN COMBINATION, A PAIR OF HALF CORES OF A SUBSTANTIALLY COMPRESSIBLE MATERIAL ALIGNED WITH RESPECT TO EACH OTHER TO FORM A SUBSTANTIALLY SPHERICAL CENTER CORE, INTERLOCKING PASSAGES IN SAID CENTER CORE, AND AN OUTER SHELL OF A DIFFERENT SUBSTANTIALLY INCOMPRESSIBLE MATERIAL, THE MATERIAL OF SAID OUTER SHELL FILLING SAID PASSAGES AND UNITING SAID INNER CORE TO SAID OUTER SHELL, SAID INNER CORE EXERTING AN OUTWARD STRESS ON SAID OUTER SHELL TO FORM A SUBSTANTIALLY INCOMPRESSIBLE UNIT.
References Cited (Backward Citations)
US2654179A
Cited
US531103A
Cited
US716245A
Cited
US780582A
Cited
US1240438A
Cited
GB312178A
Cited
US2061604A
Cited
US2166950A
Cited
US2289872A
Cited
US2291738A
Cited
US2482190A
Cited
US2487218A
Cited
US2710487A
Cited
US2684504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |