US3396923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structure and method for the fabrication thereof
Assignee: Dow Chemical Co
•
Filing: 1966-11-21
•
Granted: 1968-08-13
•
Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Leo J Windecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:57
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/04; Y; Y10; Y10S; Y10S264/00; Y10S264/58; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24802; Y10T428/24893; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249991
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |