US1658668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headlight lens
Assignee: Individual
•
Filing: 1926-11-29
•
Granted: 1928-02-07
•
Expires: 1946-11-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Buttschau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:56
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04; F21V7/09; B; B60; B60Q; B60Q1/00; B60Q1/0029; B60Q1/0041; B60Q1/0052; B60Q1/0058; B60Q1/02; B60Q1/04; B60Q1/18; F21S; F21S41/00; F21S41/30; F21S41/32; F21S41/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-02-06 | 1931-08-08 | 1932-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-02-06 | 1935-08-08 | 1936-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-02-06 | 1939-08-08 | 1940-02-07 | $7700.00 | Window Closed / Lapsed |