US2674924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die mechanism
Assignee: Illinois Tool Works Inc
•
Filing: 1949-10-06
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Granted: 1954-04-13
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Expires: 1969-10-06
Abstract
No abstract record available.
Inventors
- 👤 Moritz H Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:30
CPC Classifications
B; B23; B23F; B23F21/00; B23F21/26; B23F21/268; B21; B21K; B21K1/00; B21K1/28; B21K1/30; B21K1/305; B23F1/00; B23F1/08; B23F1/086; B23F23/00; B23F23/02; B23F23/06; Y; Y10; Y10T; Y10T407/00; Y10T407/16; Y10T407/1614; Y10T409/00; Y10T409/10; Y10T409/109063; Y10T409/109381
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US493897A
Cited
US1859006A
Cited
US2194595A
Cited
US2282193A
Cited
US2304185A
Cited
US2360337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |