Patent US2730732A successfully refreshed from Google Patents.
US2730732A
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Method of and apparatus for assembling nut and washer elements
Assignee: Illinois Tool Works Inc
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Filing: 1952-03-22
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Granted: 1956-01-17
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Expires: 1972-03-22
Abstract
No abstract record available.
Inventors
- 👤 Moritz H Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:18
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/08; B23P19/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1861889A
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US2201058A
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US2476326A
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US2390121A
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US2334873A
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US2418958A
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US2642592A
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US2576906A
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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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |