Patent EP0188054A2 successfully refreshed from Google Patents.
US2760185A
Expired / Lapsed
US
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Signaling device
Assignee: ROBERT J SLAVSKY
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Filing: 1954-07-28
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Granted: 1956-08-21
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Expires: 1974-07-28
Abstract
No abstract record available.
Inventors
- 👤 Aloys J Held
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:47
CPC Classifications
F; F21; F21L; F21L4/00; F21L4/005; F21V; F21V14/00; F21V14/08; F21V14/085; F21V17/00; F21V17/002; F21V9/00; F21V9/08; G; G09; G09F; G09F21/00; G09F21/02
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) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |