US2993987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor vehicle headlight
Assignee: Individual
•
Filing: 1958-12-02
•
Granted: 1961-07-25
•
Expires: 1978-12-02
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Diffie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:43
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/40; F21S41/43; F21S41/10; F21S41/14; F21S41/162; F21S41/30; F21S41/32; F21S41/321; F21S41/36; F21S41/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2236942A
Cited
US2813969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |