Patent US6658325B2 successfully refreshed from Google Patents.
US2983510A
Expired / Lapsed
US
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Bowling pin spotting machines
Assignee: AMF Inc
•
Filing: 1956-10-30
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Granted: 1961-05-09
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Expires: 1976-10-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Roy E Blewitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:08
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2736554A
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US2692139A
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US2757001A
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US2773689A
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US2767984A
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US2781195A
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US2821395A
Cited
US2890886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |