Patent US2531167A successfully refreshed from Google Patents.
US2531167A
Expired / Lapsed
US
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Bowling alley pin and ball separating and conveying mechanism
Assignee: Kawneer Co Inc
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Filing: 1946-04-18
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Granted: 1950-11-21
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Expires: 1966-04-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:42
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/08; A63D5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1190644A
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US1190651A
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US1190645A
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US1557177A
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US2388708A
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US2319925A
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US2306825A
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US2389643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |