US3281109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driver's writing board
Assignee: Individual
•
Filing: 1964-10-26
•
Granted: 1966-10-25
•
Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Peter A Levandowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:58
CPC Classifications
B; B43; B43L; B43L3/00; B43L3/008; B60; B60N; B60N3/00; B60N3/001; B60N3/002; B60N3/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1717433A
Cited
US1883714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |