US3325959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair supports for building constructions
Assignee: Individual
•
Filing: 1965-05-03
•
Granted: 1967-06-20
•
Expires: 1985-05-03
Abstract
No abstract record available.
Inventors
- 👤 Torp Alf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:07
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/16; E04C5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A CHAIR CONSTRUCTED FOR THE SUPPORT OF A REINFORCING STEEL BAR UTILISED IN BUILDING CONSTRUCTIONS, A SUPPORTING BEAM FOR ARRANGEMENT TRANSVERSELY RELATIVE TO SAID BAR AND HAVING A HEIGHT AT LEAST SUBSTANTIALLY EQUAL TO ITS BREADTH AND A PAIR OF PLATES FORMED INTEGRALLY WITH SAID BEAM AT RESPECTIVE ENDS THEREOF, SAID PLATES EACH HAVING AN UPPER PORTION IN THE FORM OF AN UPSTANDING LUG PROJECTING ABOVE THE BEAM AND, PROJECTING BELOW THE BEAM, A LOWER PORTION THE BOTTOM EDGE OF WHICH IS ADAPTED TO BEAR AGAINST A FOUNDATION OF THE BUILDING CONSTRUCTION, THE IMPROVEMENT WHICH COMPRISES IN THE CHAIR HAVING BEEN CAST FROM A CORROSION-RESISTANT METAL ALLOY CONTAINING FROM ABOUT 94.3 TO ABOUT 96.0 PERCENT HIGHLY REFINED FINE ZINC, THE BALANCE BEING ALUMINIUM, COPPER, MAGNESIUM AND INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim
129 words
IN A CHAIR CONSTRUCTED FOR THE SUPPORT OF A REINFORCING STEEL BAR UTILISED IN BUILDING CONSTRUCTIONS, A SUPPORTING BEAM FOR ARRANGEMENT TRANSVERSELY RELATIVE TO SAID BAR AND HAVING A HEIGHT AT LEAST SUBSTANTIALLY EQUAL TO ITS BREADTH AND A PAIR OF PLATES FORMED INTEGRALLY WITH SAID BEAM AT RESPECTIVE ENDS THEREOF, SAID PLATES EACH HAVING AN UPPER PORTION IN THE FORM OF AN UPSTANDING LUG PROJECTING ABOVE THE BEAM AND, PROJECTING BELOW THE BEAM, A LOWER PORTION THE BOTTOM EDGE OF WHICH IS ADAPTED TO BEAR AGAINST A FOUNDATION OF THE BUILDING CONSTRUCTION, THE IMPROVEMENT WHICH COMPRISES IN THE CHAIR HAVING BEEN CAST FROM A CORROSION-RESISTANT METAL ALLOY CONTAINING FROM ABOUT 94.3 TO ABOUT 96.0 PERCENT HIGHLY REFINED FINE ZINC, THE BALANCE BEING ALUMINIUM, COPPER, MAGNESIUM AND INCIDENTAL IMPURITIES.
References Cited (Backward Citations)
US1123107A
Cited
US1260494A
Cited
US1378202A
Cited
US1773918A
Cited
US1909121A
Cited
GB462777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |