US2425805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making laminated structures
Assignee: Individual
•
Filing: 1943-04-28
•
Granted: 1947-08-19
•
Expires: 1963-04-28
Abstract
No abstract record available.
Inventors
- 👤 Frank W Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:45
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/30; D21H27/32; D21H27/34; B; B32; B32B; B32B27/00; D21H19/00; D21H19/10; D21H19/14; D21H19/18; D21H19/20; D21H19/24; D21H19/26; D21H19/34; D21H19/80; D21H19/82; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56
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) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |