US2858631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminating electrical indicator
Assignee: Individual
•
Filing: 1955-05-13
•
Granted: 1958-11-04
•
Expires: 1975-05-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul Jorick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:27
CPC Classifications
F; F21; F21V; F21V33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1508977A
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US1665132A
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US1875931A
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US1871650A
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US1961865A
Cited
US2097625A
Cited
US2225584A
Cited
US2549134A
Cited
US2673914A
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US2769069A
Cited
US2802082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |