US2767983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling pin elevating mechanism
Assignee: AMF Inc
•
Filing: 1950-03-17
•
Granted: 1956-10-23
•
Expires: 1970-03-17
Abstract
No abstract record available.
Inventors
- 👤 Robert L Holloway
- 👤 Zuercher John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:16
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/08; A63D5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1190651A
Cited
US1190650A
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US1190645A
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US1468212A
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US1524241A
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US1557177A
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US1706271A
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US1784084A
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US2015428A
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US2019607A
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US2389643A
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US2470052A
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US2531167A
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US2676016A
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US2621045A
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US2686053A
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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) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |