US2875324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable electric lanterns
Assignee: Individual
•
Filing: 1956-08-31
•
Granted: 1959-02-24
•
Expires: 1976-08-31
Abstract
No abstract record available.
Inventors
- 👤 Richard L Camp
- 👤 William J Paulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
F; F21; F21V; F21V21/00; F21L; F21L14/00; F21V21/06; Y; Y10; Y10S; Y10S116/00; Y10S116/07; Y10S428/00; Y10S428/90; Y10S454/00; Y10S454/904; Y10T; Y10T292/00; Y10T292/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1932143A
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US2489475A
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US2503467A
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US2504800A
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US2508305A
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US2655337A
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DE889322C
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US2681199A
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US2653001A
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US2792249A
Cited
US2701158A
Cited
US2726110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |