US2855500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glare filter for head lamp
Assignee: Individual
•
Filing: 1954-07-09
•
Granted: 1958-10-07
•
Expires: 1974-07-09
Abstract
No abstract record available.
Inventors
- 👤 John A Holman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:01
CPC Classifications
F; F21; F21V; F21V5/00; F21S; F21S41/00; F21S41/10; F21S41/12; F21S41/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |