US3420566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle conversion
Assignee: BART R OBRA
•
Filing: 1965-10-20
•
Granted: 1969-01-07
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Bart R Obra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:48
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2407007A
Cited
US2841094A
Cited
US3002760A
Cited
GB963781A
Cited
US3185518A
Cited
US3288517A
Cited
US3288519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |