Patent US1964201A successfully refreshed from Google Patents.
US1964201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable lamp and recharging means
Assignee: Individual
•
Filing: 1933-06-24
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Granted: 1934-06-26
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Expires: 1953-06-24
Abstract
No abstract record available.
Inventors
- 👤 Harry H Harsted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:45
CPC Classifications
F; F21; F21V; F21V23/00; B; B60; B60Q; B60Q3/00; B60Q3/50; B60Q3/59; B60Q3/80; B60Q3/88; B60Q7/00; F21L; F21L2/00
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) | 1937-06-25 | 1937-12-25 | 1938-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-25 | 1941-12-25 | 1942-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-25 | 1945-12-25 | 1946-06-26 | $7700.00 | Window Closed / Lapsed |