US3465619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling ball hole gauging device and drilling apparatus
Assignee: DAVID P BLAKER
•
Filing: 1966-08-16
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Granted: 1969-09-09
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Expires: 1986-08-16
Abstract
No abstract record available.
Inventors
- 👤 David P Blaker
- 👤 Kenneth J Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:49
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/42; B23Q35/46; B23B; B23B39/00; B23B39/14; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q17/00; B23Q17/22; Y; Y10; Y10S; Y10S408/00; Y10S408/01; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5614
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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |