Patent US1889517A successfully refreshed from Google Patents.
US2800574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting for electric lighting fixtures
Assignee: Compco Corp
•
Filing: 1953-06-29
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Granted: 1957-07-23
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Expires: 1973-06-29
Abstract
No abstract record available.
Inventors
- 👤 George J Belbes
- 👤 Edwin R Hunt
- 👤 John L Kilpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21W; F21W2131/00; F21W2131/10; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB623992A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |