US3490409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic accident marker
Assignee: ROBERT L POMEROY
•
Filing: 1967-05-11
•
Granted: 1970-01-20
•
Expires: 1987-05-11
Abstract
No abstract record available.
Inventors
- 👤 Robert L Pomeroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:52
CPC Classifications
B; B60; B60Q; B60Q7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1819155A
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US1594298A
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US1648784A
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US2153896A
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US2161327A
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US2364751A
Cited
US2473050A
Cited
US3098538A
Cited
US3287968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |