Patent US2963573A successfully refreshed from Google Patents.
US2963573A
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Portable flashlight casing
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1958-12-29
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Granted: 1960-12-06
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Ziegenbein Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:52
CPC Classifications
F; F21; F21L; F21L4/00; F21L4/08; F21L4/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |