US1128532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming knock-out plates.
Assignee: Individual
•
Filing: 1914-09-30
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Granted: 1915-02-16
•
Expires: 1934-09-30
Abstract
No abstract record available.
Inventors
- 👤 Albert R Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D39/00; B21D39/03; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/06; Y10T83/202; Y10T83/2092
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) | 1918-02-15 | 1918-08-17 | 1919-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-02-15 | 1922-08-17 | 1923-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-02-15 | 1926-08-17 | 1927-02-16 | $7700.00 | Window Closed / Lapsed |