US3005381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal device
Assignee: Individual
•
Filing: 1957-10-18
•
Granted: 1961-10-24
•
Expires: 1977-10-18
Abstract
No abstract record available.
Inventors
- 👤 Reinholdt Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:30
CPC Classifications
B; B60; B60Q; B60Q7/00; B60Q7/005; Y; Y10; Y10S; Y10S359/00; Y10S359/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB723343A
Cited
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US2850943A
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US2861501A
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US2898878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |