US3390403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oriented pile structure
Assignee: Individual
•
Filing: 1967-05-01
•
Granted: 1968-06-25
•
Expires: 1987-05-01
Abstract
No abstract record available.
Inventors
- 👤 Jan Van Tilburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:27
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C43/28; B29C43/222; B29C55/00; B29C59/00; B29C59/02; B29C59/022; B29C59/025; B32; B32B; B32B27/00; B32B27/12; B29C2793/00; B29C2793/009; B29L; B29L2007/00; B29L2031/00; B29L2031/765; C; C10; C10G; C10G2400/00; C10G2400/08; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/232; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |