Patent US3921034A successfully refreshed from Google Patents.
Patent US3147927A successfully refreshed from Google Patents.
US3147927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throwaway flashlight
Assignee: Individual
•
Filing: 1962-01-02
•
Granted: 1964-09-08
•
Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Steele Murphy
- 👤 Harvey R Whitham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:20
CPC Classifications
F; F21; F21L; F21L4/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1834612A
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US2373553A
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US2461118A
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US2632094A
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US2600418A
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US2655593A
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US2826681A
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US2817754A
Cited
US2879381A
Cited
GB840538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |