US2472180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent inspection lamp
Assignee: Goodrich Corp
•
Filing: 1946-02-01
•
Granted: 1949-06-07
•
Expires: 1966-02-01
Abstract
No abstract record available.
Inventors
- 👤 Harry W Tittle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
F; F21; F21V; F21V25/00; F21V25/12; F21L; F21L14/00; F21L14/02; F21L14/026; F21V3/00; F21V3/04; H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/08; F21V19/00; F21V19/04; F21V27/00; F21V27/02; F21W; F21W2131/00; F21W2131/40; F21W2131/411; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2336750A
Cited
US2347174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |