Patent US781200A successfully refreshed from Google Patents.
US2168641A
Expired / Lapsed
US
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Die mechanism
Assignee: NORTHERN INDIANA BRASS CO
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Filing: 1938-03-07
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Granted: 1939-08-08
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Expires: 1958-03-07
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Arbogast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:06
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/14; B21K1/16; B21J; B21J13/00; B21J13/02; B21J9/00; B21J9/02; B21J9/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/4981
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) | 1942-08-07 | 1943-02-06 | 1943-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-07 | 1947-02-06 | 1947-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-07 | 1951-02-06 | 1951-08-08 | $7700.00 | Window Closed / Lapsed |