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US2918841A
Expired / Lapsed
US
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Blind fastener formed of plastic and containing longitudinal slots which permit rosette type of distortion of shank
Assignee: Illinois Tool Works Inc
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Filing: 1956-11-01
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Granted: 1959-12-29
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Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 Poupitch Ougljesa Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:05
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/06; F16B13/061; F16B29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB151327A
Cited
US2150080A
Cited
FR832359A
Cited
US2392133A
Cited
GB589648A
Cited
GB598730A
Cited
US2525736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |