US1736208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable searchlight
Assignee: PORTABLE LIGHT Co Inc
•
Filing: 1927-02-18
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Granted: 1929-11-19
•
Expires: 1947-02-18
Abstract
No abstract record available.
Inventors
- 👤 Mcrea John Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:51
CPC Classifications
F; F21; F21L; F21L2/00; F21L4/00; F21V; F21V19/00; F21V19/02
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) | 1932-11-18 | 1933-05-20 | 1933-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-18 | 1937-05-20 | 1937-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-18 | 1941-05-20 | 1941-11-19 | $7700.00 | Window Closed / Lapsed |