Patent US2481225A successfully refreshed from Google Patents.
US2481225A
Expired / Lapsed
US
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Fog penetrating device
Assignee: Individual
•
Filing: 1947-03-07
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Granted: 1949-09-06
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Expires: 1967-03-07
Abstract
No abstract record available.
Inventors
- 👤 Kaye Robert Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:18
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/10; F21S41/12; F21S41/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US976287A
Cited
US2132097A
Cited
US2139160A
Cited
US2335076A
Cited
US2407113A
Cited
US2419432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |