Patent US2834479A successfully refreshed from Google Patents.
US2834479A
Expired / Lapsed
US
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Rotatable display device
Assignee: ROBERT KAYTON ASSOCIATES Inc
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Filing: 1955-03-01
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Granted: 1958-05-13
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Expires: 1975-03-01
Abstract
No abstract record available.
Inventors
- 👤 Kayton Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:22
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/02; A47F5/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US380897A
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US1625305A
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US1611155A
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US1656527A
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US1695618A
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US2017088A
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US2332845A
Cited
US2500115A
Cited
US2507641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |