Patent US3182507A successfully refreshed from Google Patents.
US2530685A
Expired / Lapsed
US
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Fog light attachment for headlights
Assignee: Individual
•
Filing: 1947-03-08
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Granted: 1950-11-21
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Expires: 1967-03-08
Abstract
No abstract record available.
Inventors
- 👤 Claude E Davis
- 👤 Earl D Stevenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:17
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/18; F; F21; F21S; F21S41/00; F21S41/10; F21S41/12; F21S41/125; F21V; F21V9/00; F21V9/08; F21V9/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194225A
Cited
US1412654A
Cited
GB259796A
Cited
CH157770A
Cited
US1905322A
Cited
FR807402A
Cited
US2107801A
Cited
CH196515A
Cited
US2349853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |