US3239990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-storey buildings
Assignee: Richard Costain Ltd
•
Filing: 1961-10-30
•
Granted: 1966-03-15
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Adler Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:52
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/35; E04B1/3511; E04B1/34; E04B1/3404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
THE METHOD OF CONSTRUCTING A MULTI-STOREY BUILDING COMPRISING THE STEPS OF CONSTRUCTING AT OR NEAR GROUND LEVEL A FLOOR CANTILEVERD TO A CENTRAL CORE PORTION, RAISING SAID FLOOR THE HEIGHT OF ONE STOREY BY JACKING UP SAID CENTRAL CORE PORTION IN A SUCCESSION OF STEPS LESS THAN THE HEIGHT OF A STOREY WHILE BUILDING STEP BY STEP AS SAID CENTRAL CORE PORTION IS RAISED ON ADDITIONAL CENTRAL CORE PORTION BENEATH AND SUPPORTINGLY JOINED TO SAID FIRST MENTIONED CENTRAL CORE PORTION, CONSTRUCTING AT OR NEAR GROUND LEVEL AN ADDITIONAL FLOOR CANTILEVERED TO SAID ADDITIONAL CENTRAL CORE PORTION, RAISING SAID ADDITIONAL FLOOR IN THE SAME WAY AS SAID FIRST MENTIONED FLOOR, AND CONTINUING IN LIKE MANNER TO CONSTRUCTION AND RAISE CENTRAL CORE PORTIONS AND FLOORS UNTIL THE BUILDING HAS REACHED THE DESIRED HEIGHT, SAID FLOORS BEING SUPPORTED AT LEAST PRIMARILY BY SAID CORE PORTIONS AS THEY ARE BEING RAISED.
Claim 2
Independent Claim
147 words
THE METHOD OF CONSTRUCTING A MULTI-STOREY BUILDING COMPRISING THE STEPS OF CONSTRUCTING AT OR NEAR GROUND LEVEL A FLOOR CANTILEVERD TO A CENTRAL CORE PORTION, RAISING SAID FLOOR THE HEIGHT OF ONE STOREY BY JACKING UP SAID CENTRAL CORE PORTION IN A SUCCESSION OF STEPS LESS THAN THE HEIGHT OF A STOREY WHILE BUILDING STEP BY STEP AS SAID CENTRAL CORE PORTION IS RAISED ON ADDITIONAL CENTRAL CORE PORTION BENEATH AND SUPPORTINGLY JOINED TO SAID FIRST MENTIONED CENTRAL CORE PORTION, CONSTRUCTING AT OR NEAR GROUND LEVEL AN ADDITIONAL FLOOR CANTILEVERED TO SAID ADDITIONAL CENTRAL CORE PORTION, RAISING SAID ADDITIONAL FLOOR IN THE SAME WAY AS SAID FIRST MENTIONED FLOOR, AND CONTINUING IN LIKE MANNER TO CONSTRUCTION AND RAISE CENTRAL CORE PORTIONS AND FLOORS UNTIL THE BUILDING HAS REACHED THE DESIRED HEIGHT, SAID FLOORS BEING SUPPORTED AT LEAST PRIMARILY BY SAID CORE PORTIONS AS THEY ARE BEING RAISED.
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |