Patent US3418486A successfully refreshed from Google Patents.
Patent US2849596A successfully refreshed from Google Patents.
US2849596A
Expired / Lapsed
US
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Electric hand lantern
Assignee: Individual
•
Filing: 1955-08-03
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Granted: 1958-08-26
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Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 Julian A Mcdermott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:38
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/02; F21L; F21L2/00; F21L4/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194930A
Cited
US1142548A
Cited
US1282219A
Cited
US2069355A
Cited
US2320917A
Cited
US2510321A
Cited
US2673925A
Cited
FR1070064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |