Patent US1625946A successfully refreshed from Google Patents.
US1625946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head lamp
Assignee: Individual
•
Filing: 1924-03-13
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Granted: 1927-04-26
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Expires: 1944-03-13
Abstract
No abstract record available.
Inventors
- 👤 John H Laird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:15
CPC Classifications
F; F21; F21V; F21V11/00; F21S; F21S41/00; F21S41/40; F21S41/47; F21V7/00; F21V7/04; F21V7/09
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) | 1930-04-25 | 1930-10-25 | 1931-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-25 | 1934-10-25 | 1935-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-25 | 1938-10-25 | 1939-04-26 | $7700.00 | Window Closed / Lapsed |