US3345508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flashlight formed of two molded parts
Assignee: Sonca Ind Ltd
•
Filing: 1965-08-19
•
Granted: 1967-10-03
•
Expires: 1985-08-19
Abstract
No abstract record available.
Inventors
- 👤 Chung Sze-Yuen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:33
CPC Classifications
F; F21; F21L; F21L4/00; F21L2/00; F21V; F21V17/00; F21V17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2579762A
Cited
US2817754A
Cited
US3076891A
Cited
US3128050A
Cited
US3175080A
Cited
US3226502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |