Patent US3121978A successfully refreshed from Google Patents.
US3121978A
Expired / Lapsed
US
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Reinforcement and anchoring device for dovetail metallic channel
Assignee: Gateway Erectors Inc
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Filing: 1958-03-03
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Granted: 1964-02-25
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Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Frank D Reiland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:03
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/41; E04B1/4107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN COMBINATION WITH A RELATIVELY THIN METALLIC ANCHOR SLOT CHANNEL STRUCTURE HAVING OPPOSED SIDES WHICH CONVERGE TOWARD THE OPEN SIDE OF THE CHANNEL TO PROVIDE LOAD SUPPORTING INCLINED WALLS EMBEDDED IN A CONCRETE STRUCTURE WITH THE OPEN SIDE OF THE CHANNEL FACING OUTWARDLY TO RECEIVE A LOAD SUPPORTING ATTACHMENT DESIGNED TO SEAT AGAINST THE INNER FACES OF THE INCLINED WALLS OF THE CHANNEL, A YOKE DEVICE FOR REINFORCING SAID METALLIC CHANNEL STRUCTURE AND FOR EFFECTIVELY INCREASING ITS ANCHORAGE IN SAID CONCRETE STRUCTURE COMPRISING A FLAT METALLIC PLATE BODY POSITIONED EDGEWISE TO THE CHANNEL STRUCTURE AND FORMED WITH LEGS WHICH CONVERGE TOWARD THE
Claim 2
Dependent Claim
102 words
IN COMBINATION WITH A RELATIVELY THIN METALLIC ANCHOR SLOT CHANNEL STRUCTURE HAVING OPPOSED SIDES WHICH CONVERGE TOWARD THE OPEN SIDE OF THE CHANNEL TO PROVIDE LOAD SUPPORTING INCLINED WALLS EMBEDDED IN A CONCRETE STRUCTURE WITH THE OPEN SIDE OF THE CHANNEL FACING OUTWARDLY TO RECEIVE A LOAD SUPPORTING ATTACHMENT DESIGNED TO SEAT AGAINST THE INNER FACES OF THE INCLINED WALLS OF THE CHANNEL, A YOKE DEVICE FOR REINFORCING SAID METALLIC CHANNEL STRUCTURE AND FOR EFFECTIVELY INCREASING ITS ANCHORAGE IN SAID CONCRETE STRUCTURE COMPRISING A FLAT METALLIC PLATE BODY POSITIONED EDGEWISE TO THE CHANNEL STRUCTURE AND FORMED WITH LEGS WHICH CONVERGE TOWARD THE
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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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |