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Patent US2580046A successfully refreshed from Google Patents.
US2580046A
Expired / Lapsed
US
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Indicator
Assignee: Rock Ola Manufacturing Corp
•
Filing: 1946-07-05
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Granted: 1951-12-25
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Expires: 1966-07-05
Abstract
No abstract record available.
Inventors
- 👤 David C Rockola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:29
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/30; G07F17/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2187327A
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US1050962A
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US1221465A
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US1255989A
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US1453658A
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US1583942A
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US1591451A
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US1853080A
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US2095467A
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US2425974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |