US3071836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-t beam forming apparatus
Assignee: FMC Corp
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Filing: 1960-04-06
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Granted: 1963-01-08
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Expires: 1980-04-06
Abstract
No abstract record available.
Inventors
- 👤 Lawrence F Tumey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:54
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A MOLDING APPARATUS FOR FORMING A CONCRETE BEAM AND SLAB SECTION COMPRISING A SUPPORTING FRAMEWORK, TWO LATERALLY SPACED SLAB SUPPORTING FORMS, A CHANNEL-SHAPED MEMBER OF RESILIENT MATERIAL RECEIVED BETWEEN SAID FORMS AND HAVING TWO SIDE WALLS INTERCONNECTED BY A BOTTOM WALL AND A FLANGE AT THE TOP OF EACH SIDE WALL PROJECTING OUTWARDLY AND INTO ENGAGEMENT WITH SAID FORMS, BRACING ANGLE MEMBERS CONNECTED AT THEIR LONGITUDINAL EDGES BETWEEN EACH OF SAID FLANGES AND ITS ASSOCIATED SIDE WALL, FASTENING MEMBERS EXTENDING FROM SAID FLANGES THROUGH SAID BRACING ANGLES TO SAID SUPPORTING FRAMEWORK TO CONNECT SAID FLANGES TO SAID SUPPORTING FRAMEWORK, SAID FASTENING MEMBERS BEING LOOSELY RECEIVED THROUGH SAID BRACING ANGLES TO ALLOW FOR RELATIVE MOVEMENT BETWEEN SAID FLANGES AND SAID SLAB SUPPORTING FORMS.
Claim 2
Dependent Claim
122 words
A MOLDING APPARATUS FOR FORMING A CONCRETE BEAM AND SLAB SECTION COMPRISING A SUPPORTING FRAMEWORK, TWO LATERALLY SPACED SLAB SUPPORTING FORMS, A CHANNEL-SHAPED MEMBER OF RESILIENT MATERIAL RECEIVED BETWEEN SAID FORMS AND HAVING TWO SIDE WALLS INTERCONNECTED BY A BOTTOM WALL AND A FLANGE AT THE TOP OF EACH SIDE WALL PROJECTING OUTWARDLY AND INTO ENGAGEMENT WITH SAID FORMS, BRACING ANGLE MEMBERS CONNECTED AT THEIR LONGITUDINAL EDGES BETWEEN EACH OF SAID FLANGES AND ITS ASSOCIATED SIDE WALL, FASTENING MEMBERS EXTENDING FROM SAID FLANGES THROUGH SAID BRACING ANGLES TO SAID SUPPORTING FRAMEWORK TO CONNECT SAID FLANGES TO SAID SUPPORTING FRAMEWORK, SAID FASTENING MEMBERS BEING LOOSELY RECEIVED THROUGH SAID BRACING ANGLES TO ALLOW FOR RELATIVE MOVEMENT BETWEEN SAID FLANGES AND SAID SLAB SUPPORTING FORMS.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |