Patent EP0094843A1 successfully refreshed from Google Patents.
Patent US3033978A successfully refreshed from Google Patents.
US3033978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catenary lighting apparatus
Assignee: McGraw Edison Co
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Filing: 1959-05-04
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Granted: 1962-05-08
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Expires: 1979-05-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold A Van Dusen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:04
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21S8/06; F21S8/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US683455A
Cited
US1112017A
Cited
US1397453A
Cited
FR584104A
Cited
US2185164A
Cited
FR1047134A
Cited
US2905806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |