US3021852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car top tent
Assignee: Individual
•
Filing: 1959-04-10
•
Granted: 1962-02-20
•
Expires: 1979-04-10
Abstract
No abstract record available.
Inventors
- 👤 Norman A Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:15
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60P3/36; B60P3/38; Y; Y10; Y10S; Y10S135/00; Y10S135/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |