US2169894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming blanks
Assignee: Individual
•
Filing: 1937-04-29
•
Granted: 1939-08-15
•
Expires: 1957-04-29
Abstract
No abstract record available.
Inventors
- 👤 William W Criley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:47
CPC Classifications
B; B21; B21J; B21J5/00; B21J5/02; B21J1/00; B21J1/02; B21J1/025; B21K; B21K1/00; B21K1/76; B21K1/766; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49288; Y10T29/49291; Y10T74/00; Y10T74/21; Y10T74/2142
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) | 1942-08-14 | 1943-02-13 | 1943-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-14 | 1947-02-13 | 1947-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-14 | 1951-02-13 | 1951-08-15 | $7700.00 | Window Closed / Lapsed |