Patent US3334558A successfully refreshed from Google Patents.
US3334558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete joint form
Assignee: Guy F Atkinson Co
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Filing: 1965-05-24
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Granted: 1967-08-08
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Ray N Atkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:50
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/10; E01C11/106; Y; Y10; Y10S; Y10S425/00; Y10S425/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A CONCRETE JOINT FORM FOR PLACEMENT IN A CONCRETE SLAB TO FORM A WEAKNENED PLANE COMPRISING A TOP WALL INCLUDING FIRST AND SECOND ADJACENT ALIGNED SUBSTANTIALLY COPLANAR PORTIONS, A PAIR OF SPACED SIDES WALLS, ONE OF SAID WALLS DEPENDING DOWNWARDLY FROM EACH OF SAID PORTIONS, SAID WALLS TAPERING TOWARDS ONE ANOTHER AND JOINED AT THEIR DISTAL ENDS TO FORM A CONTINUOUS LONGITUDINAL EDGE SPACED DOWNWARDLY FROM SAIT TOP WALL, A PAIR OF FINS EXTENDING INWARDLY FROM EACH OF SAID WALLS AND ARRANGED TO HAVE THEIR DIGITAL ENDS ABUT ONE ANOTHER TO MAINTAIN THE SPACING OF SAID WALL.
Claim 2
Dependent Claim
97 words
A CONCRETE JOINT FORM FOR PLACEMENT IN A CONCRETE SLAB TO FORM A WEAKNENED PLANE COMPRISING A TOP WALL INCLUDING FIRST AND SECOND ADJACENT ALIGNED SUBSTANTIALLY COPLANAR PORTIONS, A PAIR OF SPACED SIDES WALLS, ONE OF SAID WALLS DEPENDING DOWNWARDLY FROM EACH OF SAID PORTIONS, SAID WALLS TAPERING TOWARDS ONE ANOTHER AND JOINED AT THEIR DISTAL ENDS TO FORM A CONTINUOUS LONGITUDINAL EDGE SPACED DOWNWARDLY FROM SAIT TOP WALL, A PAIR OF FINS EXTENDING INWARDLY FROM EACH OF SAID WALLS AND ARRANGED TO HAVE THEIR DIGITAL ENDS ABUT ONE ANOTHER TO MAINTAIN THE SPACING OF SAID WALL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |