Patent US2909957A successfully refreshed from Google Patents.
US2909957A
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Resilient plastic fastener with strut supported legs
Assignee: Illinois Tool Works Inc
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Filing: 1956-04-26
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Granted: 1959-10-27
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Expires: 1976-04-26
Abstract
No abstract record available.
Inventors
- 👤 George M Rapata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:09
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/06; F16B21/08; F16B21/086; F16B13/00; F16B13/02; Y; Y10; Y10T; Y10T24/00; Y10T24/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2193951A
Cited
US2229996A
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US2267511A
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US2585438A
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US2526622A
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US2610879A
Cited
US2754561A
Cited
GB745788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |