US3605354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction unit
Assignee: Individual
•
Filing: 1969-10-24
•
Granted: 1971-09-20
•
Expires: 1989-10-24
Abstract
Abstract A BUILDING CONSTRUCTION SYSTEM USING A CORE WHICH CONTAINS AT LEAST ONE PASSAGE FOR UTILITY SERVICES. FLOOR AND CEILING PANELS ARE CONNECTED TO THE CORE, WHICH SERVES AS ONE SIDE WALL OF A LIVING UNIT OR THE SIDE WALLS OF THE TWO ADJACENT UNITS, AND A DWELLING CAN BE CONSTRUCTED USING AN OFFSET CONFIGURATION OF CORES ON ADJACENT FLOORS.
Inventors
- 👤 Craig Hodgetts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:15
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/34; E04B1/348; E04B2001/34892
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |