Patent JPS555675A successfully refreshed from Google Patents.
Patent US3320712A successfully refreshed from Google Patents.
US3320712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener
Assignee: Illinois Tool Works Inc
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Filing: 1964-07-28
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Granted: 1967-05-23
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Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 George M Rapata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:16
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/06; F16B21/08; F16B21/086; F16B5/00; F16B5/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A FASTENER INSTALLATION INCLUDING AN APERTURED PANEL, A WORKPIECE AND A FASTENER, SAID WORKPIECE HAVING ONE OR MORE DEFORMABLE SLEEVE TYPE STUD MEMBERS EXTENDING REARWARDLY THEREFROM, A FASTENER FOR EACH OF SAID SLEEVES, EACH OF SAID FASTENERS INCLUDING A STUD PORTION AND A RETAINING PORTION, SAID STUD PORTION BEING COMPLEMENTALLY ACCEPTED WITHIN ONE OF SAID SLEEVES AND HAVING LATERALLY EXTENDING MEANS ADAPTED TO ENGAGE THE INTERIOR WALL OF SAID SLEEVE, SAID RETAINING PORTION ATTACHED TO SAID STUD PORTION AND INCLUDING MEANS TO ENGAGE SAID PANEL APERTURE AND RETAIN THE WORKPIECE IN MOUNTED RELATION TO SAID PANEL.
References Cited (Backward Citations)
US3214878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |