Patent US3217069A successfully refreshed from Google Patents.
US3217069A
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Method of moulding cement articles
Assignee: Brixite Ltd
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Filing: 1962-03-02
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Granted: 1965-11-09
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Expires: 1982-03-02
Abstract
No abstract record available.
Inventors
- 👤 Williams William Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:54
CPC Classifications
B; B28; B28B; B28B17/00; B28B17/0018; B28B1/00; B28B1/50; B28B1/503; B28B13/00; B28B13/02; B28B13/0215; B28B7/00; B28B7/0088; B28B7/24; B28B7/241; B28B7/34; B28B7/342; B28B7/40; B28B7/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF MAKING ARTICLES FROM SETTABLE CEMENTITIOUS LIQUID COMPOSITIONS COMPRISING INTRODUCING A FOAMING MATERIAL INTO THE COMPOSITION, POURING THE COMPOSITION INTO A MOLD, PROVIDING AREAS FO WEAKNESS THROUGH THE COMPOSITION BY MOVING PARTING MEMBERS THROUGH AND OUT OF THE COMPOSITION WHILE THE COMPOSITION IS STILL LIQUID, THEREBY LEAVING THE WHOLE OF THE MOLD FILLED WITH THE SAME KIND OF FOAMED CEMENTITIOUS COMPOSITION WHILE THE AREAS OF WEAKNESS ARE CONSITIUTED SOLELY BY A GREATER QUANTITY OF GAS SPACES IN THE SUBSTANCE OF THE COMPOSITION, ALLOWING THE COMPOSITION TO SET, AND BREAKING THE ARTICLES APART FROM EACH OTHER ALONG SAID AREAS OF WEAKNESS.
Claim 2
Independent Claim
102 words
A METHOD OF MAKING ARTICLES FROM SETTABLE CEMENTITIOUS LIQUID COMPOSITIONS COMPRISING INTRODUCING A FOAMING MATERIAL INTO THE COMPOSITION, POURING THE COMPOSITION INTO A MOLD, PROVIDING AREAS FO WEAKNESS THROUGH THE COMPOSITION BY MOVING PARTING MEMBERS THROUGH AND OUT OF THE COMPOSITION WHILE THE COMPOSITION IS STILL LIQUID, THEREBY LEAVING THE WHOLE OF THE MOLD FILLED WITH THE SAME KIND OF FOAMED CEMENTITIOUS COMPOSITION WHILE THE AREAS OF WEAKNESS ARE CONSITIUTED SOLELY BY A GREATER QUANTITY OF GAS SPACES IN THE SUBSTANCE OF THE COMPOSITION, ALLOWING THE COMPOSITION TO SET, AND BREAKING THE ARTICLES APART FROM EACH OTHER ALONG SAID AREAS OF WEAKNESS.
References Cited (Backward Citations)
US965150A
Cited
US943966A
Cited
US1343572A
Cited
US1552711A
Cited
US1768922A
Cited
US1901057A
Cited
US2206985A
Cited
US2673011A
Cited
US2681751A
Cited
GB702992A
Cited
US2898220A
Cited
US2901808A
Cited
US2865537A
Cited
US3032850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |