US2785289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable electric lamp
Assignee: SEISS MANUFACTURING Co
•
Filing: 1955-12-19
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Granted: 1957-03-12
•
Expires: 1975-12-19
Abstract
No abstract record available.
Inventors
- 👤 Leonard A Seiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:35
CPC Classifications
F; F21; F21L; F21L4/00; F21V; F21V23/00; F21V23/04; F21V23/0414; F21V3/00; F21V3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US910835A
Cited
US1728302A
Cited
US1988853A
Cited
US2144137A
Cited
US2123491A
Cited
US2244737A
Cited
US2619559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |