US2491009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor vehicle attachment
Assignee: Individual
•
Filing: 1947-06-13
•
Granted: 1949-12-13
•
Expires: 1967-06-13
Abstract
No abstract record available.
Inventors
- 👤 Durward L Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:17
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/75; B60N2/787
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US531257A
Cited
US1266367A
Cited
US1405309A
Cited
US1532590A
Cited
US1843268A
Cited
US1892048A
Cited
GB470502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |