Patent US2759390A successfully refreshed from Google Patents.
US2759390A
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Two-piece expandable elastic fastening device of the rivet type
Assignee: Illinois Tool Works Inc
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Filing: 1955-02-02
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Granted: 1956-08-21
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Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 Edwards Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1081; F16B21/00; F16B21/10; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/43; Y10T; Y10T24/00; Y10T24/14; Y10T24/1498; Y10T24/45; Y10T24/45225; Y10T24/45241; Y10T24/45262; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US608178A
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US2039401A
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US1120369A
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US2359629A
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US2398532A
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US2542144A
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US2592130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |