US1389291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headlamp
Assignee: Individual
•
Filing: 1920-01-08
•
Granted: 1921-08-30
•
Expires: 1940-01-08
Abstract
No abstract record available.
Inventors
- 👤 Evan P Bone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:26
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/60; F21S41/68; F21S41/683; F21S41/689; B; B60; B60Q; B60Q2300/00; B60Q2300/05; B60Q2300/056
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) | 1924-08-29 | 1925-02-28 | 1925-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-08-29 | 1929-02-28 | 1929-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-08-29 | 1933-02-28 | 1933-08-30 | $7700.00 | Window Closed / Lapsed |