Patent FR1286237A successfully refreshed from Google Patents.
US2748973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall box structure
Assignee: Rock Ola Manufacturing Corp
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Filing: 1951-03-17
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Granted: 1956-06-05
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Expires: 1971-03-17
Abstract
No abstract record available.
Inventors
- 👤 David C Rockola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:16
CPC Classifications
G; G07; G07F; G07F9/00; G07F9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1026649A
Cited
US1685276A
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US1698252A
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US1888927A
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US2286544A
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US2340478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |