US3245648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold assemblies and casting of building structures
Assignee: Individual
•
Filing: 1963-01-22
•
Granted: 1966-04-12
•
Expires: 1983-01-22
Abstract
No abstract record available.
Inventors
- 👤 Johansson Rolf Gustaf
- 👤 Wikstrom Thor Orvar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:01
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/06; E04G11/20; E04G11/22; Y; Y10; Y10S; Y10S425/00; Y10S425/044; Y10S425/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A MOLD ASSEMBLY FOR CASTING BUILDING STRUCTURES, COMPRISING A MOLD HAVING AT LEAST ONE FLAT WALL FOR CASTING A FACE OF A BUILDING ELEMENT, MEANS FOR REPEATEDLY FORCING SAID MOLD INTO SLIDING MOVEMENTS ALONG THE FACE OF THE ELEMENT BEING CAST, SAID MOLD HAVING A LINING COMPRISING AT LEAST ONE SHEET OF ELASTIC MATERIAL EXTENDING ALONG THE INTERIOR FACE OF EACH WALL OF SAID MOLD, EACH ELASTIC SHEET BEING FIXED RELATIVE TO ITS RESPECTIVE WALL AT A POSITION FORWARD OF SAID BUILDING ELEMENT, CONSIDERED IN THE SLIDING DIRECTION, AND BEING FREE OF FIXATION TO ITS WALL ADJACENT SAID ELEMENT WHEREBY UPON FORWARD MOVEMENT OF SAID MOLD, ANY TENDENCY OF SAID ELEMENT TO ADHERE TO SAID SHEET CAUSES TENSION, AND ATTENUATION OF SAID SHEET TO RELEASE SAID SHEET FROM SAID ELEMENT.
Claim 2
Dependent Claim
130 words
A MOLD ASSEMBLY FOR CASTING BUILDING STRUCTURES, COMPRISING A MOLD HAVING AT LEAST ONE FLAT WALL FOR CASTING A FACE OF A BUILDING ELEMENT, MEANS FOR REPEATEDLY FORCING SAID MOLD INTO SLIDING MOVEMENTS ALONG THE FACE OF THE ELEMENT BEING CAST, SAID MOLD HAVING A LINING COMPRISING AT LEAST ONE SHEET OF ELASTIC MATERIAL EXTENDING ALONG THE INTERIOR FACE OF EACH WALL OF SAID MOLD, EACH ELASTIC SHEET BEING FIXED RELATIVE TO ITS RESPECTIVE WALL AT A POSITION FORWARD OF SAID BUILDING ELEMENT, CONSIDERED IN THE SLIDING DIRECTION, AND BEING FREE OF FIXATION TO ITS WALL ADJACENT SAID ELEMENT WHEREBY UPON FORWARD MOVEMENT OF SAID MOLD, ANY TENDENCY OF SAID ELEMENT TO ADHERE TO SAID SHEET CAUSES TENSION, AND ATTENUATION OF SAID SHEET TO RELEASE SAID SHEET FROM SAID ELEMENT.
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |