Patent US5708680A successfully refreshed from Google Patents.
Patent US2837631A successfully refreshed from Google Patents.
US2837631A
Expired / Lapsed
US
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Storing lamp fixtures
Assignee: Individual
•
Filing: 1955-08-30
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Granted: 1958-06-03
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Expires: 1975-08-30
Abstract
No abstract record available.
Inventors
- 👤 Lenze Eberhard
- 👤 Muller Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:06
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/007; F21S; F21S4/00; F21S4/20; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US632048A
Cited
US1012553A
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US2309792A
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US2291495A
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US2366216A
Cited
US2393062A
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US2428827A
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US2531232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |