Patent US3022416A successfully refreshed from Google Patents.
US3022416A
Expired / Lapsed
US
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Overhead wall light
Assignee: American Hospital Supply Corp
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Filing: 1959-07-02
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Granted: 1962-02-20
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Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Ross L Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:12
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/03; F21S8/033; F21W; F21W2131/00; F21W2131/20; F21W2131/208; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |