US3525663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anticlastic cellular core structure having biaxial rectilinear truss patterns
Assignee: Individual
•
Filing: 1967-03-09
•
Granted: 1970-08-25
•
Expires: 1987-03-09
Abstract
No abstract record available.
Inventors
- 👤 Jesse R Hale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:39
CPC Classifications
B; B32; B32B; B32B37/00; B29; B29C; B29C51/00; B29C51/006; B29C51/08; B32B27/00; E; E04; E04C; E04C2/00; E04C2/30; E04C2/32; E04C2/34; E04C2/3405; E04C2002/3411; E04C2002/3433; E04C2002/3438; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24661; Y10T428/24669; Y10T428/24678; Y10T428/28; Y10T428/2839
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |