US2854650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety signaling device for motor vehicles
Assignee: Individual
•
Filing: 1956-06-01
•
Granted: 1958-09-30
•
Expires: 1976-06-01
Abstract
No abstract record available.
Inventors
- 👤 John J Baker
- 👤 Cecil R Weishuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:41
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/50; B60Q1/503; B60Q1/547
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1294527A
Cited
US2021319A
Cited
US2044300A
Cited
US2293850A
Cited
DE890321C
Cited
US2673307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |