US2711550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and machine for permanently assembling nut and washer elements
Assignee: Illinois Tool Works Inc
•
Filing: 1951-10-11
•
Granted: 1955-06-28
•
Expires: 1971-10-11
Abstract
No abstract record available.
Inventors
- 👤 Moritz H Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:59
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/08; B23P19/082
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |