US2420362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diver's light
Assignee: C ROY MILLER
•
Filing: 1944-10-06
•
Granted: 1947-05-13
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Expires: 1964-10-06
Abstract
No abstract record available.
Inventors
- 👤 James F Ekleberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:17
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/145; A; A42; A42B; A42B3/00; A42B3/04; A42B3/0406; A42B3/0433; A42B3/044; B; B63; B63C; B63C11/00; B63C11/02; F21L; F21L14/00; F21L4/00; F21L4/06; F21V21/30; F21V21/08; F21V21/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US243780A
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US1000721A
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US1131712A
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US1349060A
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US1226148A
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US1675720A
Cited
US1741264A
Cited
US1615067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-12 | 1950-11-11 | 1951-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-12 | 1954-11-11 | 1955-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-12 | 1958-11-11 | 1959-05-13 | $7700.00 | Window Closed / Lapsed |