Patent US2555291A successfully refreshed from Google Patents.
US2555291A
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Fastener unit
Assignee: Illinois Tool Works Inc
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Filing: 1945-11-09
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Granted: 1951-05-29
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Expires: 1965-11-09
Abstract
No abstract record available.
Inventors
- 👤 Poupitch Ougljesa Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:32
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/10; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US545278A
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US642777A
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US874083A
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CH61400A
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US1857530A
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US1798526A
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US2278062A
Cited
US2260048A
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US2373722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |