US3296346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slurry pouring means and method
Assignee: Owens Corning
•
Filing: 1963-06-07
•
Granted: 1967-01-03
•
Expires: 1983-06-07
Abstract
No abstract record available.
Inventors
- 👤 Richard F Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:24
CPC Classifications
B; B28; B28B; B28B13/00; B28B13/02; B28B13/0215; B28B13/0275; B28B1/00; B28B1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN COMBINATION WITH A CAVITY-TYPE MOLD PROVIDED WITH CLOSED END WALLS AND SIDE WALLS DEFINING A MOLD CAVITY HAVING A SUBSTANTIALLY UNIFORM UPWARDLY OPENING AND GENERALLY U-SHAPED TRANSVERSE INTERNAL CONFIGURATION, A MANUALLY MANIPULATABLE SLURRY POURING NOZZLE FOR FILLING THE MOLD CAVITY WITH A CEMENTITIOUS SLURRY, SAID POURING NOZZLE COMPRISING A TUBULAR BODY PORTION DEFINING AN INLET OPENING FOR RECEIVING A FLOW OF SLURRY FROM A FLEXIBLE SLURRY SUPPLY LINE AND HAVING A PROGRESSIVELY FLATTENING AND WIDENING DISCHARGE END FORMED WITH A CONVERGENT END PORTION DEFINING AN OBLONG DISCHARGE ORIFICE SUBSTANTIALLY CONFORMING IN SHAPE TO BE TRANSVERSE BOTTOM SURFACE CONFIGURATION OF THE MOLD CAVITY AND IN COMMUNICATING RELATIONSHIP THROUGH SAID TUBULAR BODY PORTION WITH SAID INLET OPENING, SAID DISCHARGE END BEING SHAPED TO PARTIALLY RESTRICT THE SLURRY DURING THE PASSAGE THEREOF THROUGH SAID DISCHARGE END AND SAID DISCHARGE ORIFICE, A WALLED SECTION DEFINING AN INVERTED L-SHAPED CONFIGURATION
Claim 2
Dependent Claim
146 words
IN COMBINATION WITH A CAVITY-TYPE MOLD PROVIDED WITH CLOSED END WALLS AND SIDE WALLS DEFINING A MOLD CAVITY HAVING A SUBSTANTIALLY UNIFORM UPWARDLY OPENING AND GENERALLY U-SHAPED TRANSVERSE INTERNAL CONFIGURATION, A MANUALLY MANIPULATABLE SLURRY POURING NOZZLE FOR FILLING THE MOLD CAVITY WITH A CEMENTITIOUS SLURRY, SAID POURING NOZZLE COMPRISING A TUBULAR BODY PORTION DEFINING AN INLET OPENING FOR RECEIVING A FLOW OF SLURRY FROM A FLEXIBLE SLURRY SUPPLY LINE AND HAVING A PROGRESSIVELY FLATTENING AND WIDENING DISCHARGE END FORMED WITH A CONVERGENT END PORTION DEFINING AN OBLONG DISCHARGE ORIFICE SUBSTANTIALLY CONFORMING IN SHAPE TO BE TRANSVERSE BOTTOM SURFACE CONFIGURATION OF THE MOLD CAVITY AND IN COMMUNICATING RELATIONSHIP THROUGH SAID TUBULAR BODY PORTION WITH SAID INLET OPENING, SAID DISCHARGE END BEING SHAPED TO PARTIALLY RESTRICT THE SLURRY DURING THE PASSAGE THEREOF THROUGH SAID DISCHARGE END AND SAID DISCHARGE ORIFICE, A WALLED SECTION DEFINING AN INVERTED L-SHAPED CONFIGURATION
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |