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Patent US3504337A successfully refreshed from Google Patents.
US3504337A
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US
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Apparatus for indicating safe driving
Assignee: Individual
•
Filing: 1966-06-20
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Granted: 1970-03-31
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Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Adolphe Ekman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:55
CPC Classifications
B; B60; B60R; B60R16/00; B60R16/02; B60R16/023; B60R16/0237; B60Q; B60Q1/00; B60Q1/26; B60Q1/50; B60Q1/52; B60Q9/00; G; G01; G01P; G01P1/00; G01P1/07; G01P1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2284633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |