US1974465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite panel construction
Assignee: CARROLL C KENDRICK
•
Filing: 1932-10-31
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Granted: 1934-09-25
•
Expires: 1952-10-31
Abstract
No abstract record available.
Inventors
- 👤 George K Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:29
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31725; Y10T428/31765; Y10T428/31768; Y10T428/31772
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) | 1937-09-24 | 1938-03-26 | 1938-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-09-24 | 1942-03-26 | 1942-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-09-24 | 1946-03-26 | 1946-09-25 | $7700.00 | Window Closed / Lapsed |