US2856679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of relocating the finger holes in bowling balls
Assignee: Individual
•
Filing: 1956-07-26
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Granted: 1958-10-21
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Expires: 1976-07-26
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Burkhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:59
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0001; A63B37/0002; Y; Y10; Y10S; Y10S264/00; Y10S264/66; Y10S273/00; Y10S273/03; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49746
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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |