US2613314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination filament crusher and circuit breaker for safety hand lamps
Assignee: BLAKE Manufacturing CORP
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Filing: 1947-11-03
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Granted: 1952-10-07
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Expires: 1967-11-03
Abstract
No abstract record available.
Inventors
- 👤 Edward J Garland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:45
CPC Classifications
F; F21; F21L; F21L4/00; F21L2/00; F21V; F21V25/00; F21V25/02; F21V25/06
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) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |