US3532839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for stalled vehicles
Assignee: ROBERT G WALLACE
•
Filing: 1969-04-02
•
Granted: 1970-10-06
•
Expires: 1989-04-02
Abstract
No abstract record available.
Inventors
- 👤 Robert G Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:01
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/12; H01H13/14; H01H13/16; F; F01; F01L; F01L1/00; F01L2710/00; F01L2710/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3404246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |