US3454440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for forming thumb receptacles in bowling balls
Assignee: PRO SPORTS SYSTEMS Inc VANCOUVER WA A WA CORP
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Filing: 1965-10-22
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Granted: 1969-07-08
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Steve Vezirakis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:54
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0001; A63B37/0002; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |