US3496052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grid core panel
Assignee: United States Plywood Corp
•
Filing: 1965-02-12
•
Granted: 1970-02-17
•
Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 Warner R Odenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:08
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/40; E04C2/34; E04C2/36; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/234; Y10T428/236; Y10T428/24; Y10T428/24273; Y10T428/24942; Y10T428/2495
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1887814A
Cited
US2108479A
Cited
US2309389A
Cited
US2295248A
Cited
US2385352A
Cited
US2363233A
Cited
US2453326A
Cited
US2700632A
Cited
US3082489A
Cited
US3284978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |