Patent US2839769A successfully refreshed from Google Patents.
US2839769A
Expired / Lapsed
US
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Brushing machine for cleaning bowling pins
Assignee: Individual
•
Filing: 1954-10-20
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Granted: 1958-06-24
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Expires: 1974-10-20
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Vacanti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:32
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1631968A
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US2225272A
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US2619666A
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DE814840C
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US2746069A
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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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |