Patent US1582052A successfully refreshed from Google Patents.
US1582052A
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US
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Means for and method of forming slots in metallic members
Assignee: Individual
•
Filing: 1922-08-04
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Granted: 1926-04-27
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Expires: 1942-08-04
Abstract
No abstract record available.
Inventors
- 👤 Reynold E Klages
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:57
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/28; Y; Y10; Y10S; Y10S83/00; Y10S83/916; Y10T; Y10T83/00; Y10T83/04; Y10T83/0524; Y10T83/0572; Y10T83/0596; Y10T83/384; Y10T83/395; Y10T83/398; Y10T83/869; Y10T83/8821; Y10T83/8841; Y10T83/8848
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) | 1929-04-26 | 1929-10-26 | 1930-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-04-26 | 1933-10-26 | 1934-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-04-26 | 1937-10-26 | 1938-04-27 | $7700.00 | Window Closed / Lapsed |