US3362672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener elements
Assignee: Illinois Tool Works Inc
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Filing: 1966-08-30
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Granted: 1968-01-09
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Expires: 1986-08-30
Abstract
No abstract record available.
Inventors
- 👤 Wigam Wilhelm Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:53
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; E05C3/042; E05B; E05B15/00; E05B15/0053; E05B15/16; E05B15/1635; E05B17/00; E05B17/0025; E05B35/00; E05B35/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A FASTENER ELEMENT COMPRISING A SHAFT, A HEAD PROVIDED AT ONE END OF SAID SHAFT, A SHOULDER LOCATED APPROXIMATELY IN THE MIDDLE OF SAID SHAFT AND FORMING AN INTEGRAL PORTION THEREOF, AND A TWO-ARMED LOCK LEVER PROVIDED AT A SECOND END OF SAID SHAFT, ONE ARM OF SAID LOCK LEVER BEING AXIALLY SPACED FROM SAID SHOULDER CAPABLE OF ENGAGING A BACK SIDE OF A WORKPLATE, SAID ARM FURTHER BEING PROVIDED FOR ENGAGING IN A SLOT OF A RETAINER BLOCK, A SECOND ARM OF SAID LOCK LEVER EXTENDING OBLIQUE IN DIRECTION TO A PLANE DEFINED BY SAID SHOULDER AND BEARING AT A FREE END A SEMI-SPHERICAL PROJECTION PROVIDED FOR ENGAGING IN AN APERTURE OF SAID WORKPLATE.
Claim 2
Dependent Claim
115 words
A FASTENER ELEMENT COMPRISING A SHAFT, A HEAD PROVIDED AT ONE END OF SAID SHAFT, A SHOULDER LOCATED APPROXIMATELY IN THE MIDDLE OF SAID SHAFT AND FORMING AN INTEGRAL PORTION THEREOF, AND A TWO-ARMED LOCK LEVER PROVIDED AT A SECOND END OF SAID SHAFT, ONE ARM OF SAID LOCK LEVER BEING AXIALLY SPACED FROM SAID SHOULDER CAPABLE OF ENGAGING A BACK SIDE OF A WORKPLATE, SAID ARM FURTHER BEING PROVIDED FOR ENGAGING IN A SLOT OF A RETAINER BLOCK, A SECOND ARM OF SAID LOCK LEVER EXTENDING OBLIQUE IN DIRECTION TO A PLANE DEFINED BY SAID SHOULDER AND BEARING AT A FREE END A SEMI-SPHERICAL PROJECTION PROVIDED FOR ENGAGING IN AN APERTURE OF SAID WORKPLATE.
References Cited (Backward Citations)
US2733492A
Cited
US3272059A
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US3271059A
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US3182770A
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US3325135A
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US3327581A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |