Patent US2269946A successfully refreshed from Google Patents.
US2269946A
Expired / Lapsed
US
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Work holder for drilling bowling balls
Assignee: Raybestos Manhattan Inc
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Filing: 1940-04-20
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Granted: 1942-01-13
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Expires: 1960-04-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:29
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q1/4876; B23Q1/488; Y; Y10; Y10S; Y10S408/00; Y10S408/01; Y10T; Y10T74/00; Y10T74/14; Y10T74/1494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-01-12 | 1945-07-14 | 1946-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-12 | 1949-07-14 | 1950-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-12 | 1953-07-14 | 1954-01-13 | $7700.00 | Window Closed / Lapsed |