Patent US2672340A successfully refreshed from Google Patents.
US2672340A
Expired / Lapsed
US
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Bowling pin setting mechanism
Assignee: AMF Inc
•
Filing: 1947-12-18
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Granted: 1954-03-16
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Expires: 1967-12-18
Abstract
No abstract record available.
Inventors
- 👤 Willis L Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:10
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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US1449012A
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US2231842A
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US2283613A
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US2388708A
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US2283614A
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US2338733A
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US2316183A
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US2300802A
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US2341475A
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US2518457A
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US2580853A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |