Patent US2323972A successfully refreshed from Google Patents.
US2323972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forging
Assignee: Individual
•
Filing: 1941-06-23
•
Granted: 1943-07-13
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Expires: 1961-06-23
Abstract
No abstract record available.
Inventors
- 👤 Charles A Brauchler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:35
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49286; Y10T29/4998; Y10T29/49988; Y10T29/49989; Y10T29/49991
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) | 1946-07-12 | 1947-01-11 | 1947-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-12 | 1951-01-11 | 1951-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-12 | 1955-01-11 | 1955-07-13 | $7700.00 | Window Closed / Lapsed |