US2760053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent inspection lamps
Assignee: C & I Lighting & Metals Inc
•
Filing: 1953-03-06
•
Granted: 1956-08-21
•
Expires: 1973-03-06
Abstract
No abstract record available.
Inventors
- 👤 Charles N Choisser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:16
CPC Classifications
F; F21; F21L; F21L14/00; F21L14/02; F21L14/026; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1180797A
Cited
US1407473A
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US1982501A
Cited
US2336750A
Cited
US2464373A
Cited
US2347174A
Cited
US2472180A
Cited
US2691092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |