US3448748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windbreak tent
Assignee: Individual
•
Filing: 1967-01-27
•
Granted: 1969-06-10
•
Expires: 1987-01-27
Abstract
No abstract record available.
Inventors
- 👤 Louis Walrave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:50
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/30; E04H15/003; E04H15/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2314830A
Cited
US2543684A
Cited
US2953145A
Cited
US2865386A
Cited
US3105505A
Cited
US3226737A
Cited
US3223098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |