Patent US3689876A successfully refreshed from Google Patents.
Patent US3459936A successfully refreshed from Google Patents.
US3459936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire fixture
Assignee: Holophane Corp
•
Filing: 1966-04-25
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Granted: 1969-08-05
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Expires: 1986-04-25
Abstract
No abstract record available.
Inventors
- 👤 Kenneth F Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:03
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/03; F21S8/033; F21V; F21V17/00; F21V17/10; F21V17/107; F21V17/12; F21V17/16; F21V17/166; F21V21/00; F21V21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1604839A
Cited
US1663655A
Cited
US1630522A
Cited
US2302661A
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US2914657A
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US3131871A
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US3038062A
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US3140833A
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US3189740A
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US3330952A
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FR1432539A
Cited
US3358133A
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US3315072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |