US2404426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface chabacteeibtics of solid
Assignee: —
•
Filing: —
•
Granted: 1946-07-23
•
Expires: 1963-07-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:47
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/043; B; B32; B32B; B32B27/00; B32B27/30; B32B27/308; C08J7/046; Y; Y10; Y10S; Y10S8/00; Y10S8/01; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31667
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) | 1949-07-22 | 1950-01-21 | 1950-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-22 | 1954-01-21 | 1954-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-22 | 1958-01-21 | 1958-07-23 | $7700.00 | Window Closed / Lapsed |