US3270478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction
Assignee: Individual
•
Filing: 1960-09-20
•
Granted: 1966-09-06
•
Expires: 1980-09-20
Abstract
No abstract record available.
Inventors
- 👤 Charles W Attwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:07
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/19; E04B1/1903; E04B2001/1918; E04B2001/1921; E04B2001/1924; E04B2001/1936; E04B2001/1957; E04B2001/1963; E04B2001/1981; E04B2001/1984; E04B2001/1993; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/443
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A BUILDING CONSTRUCTION COMPRISING A SKELETONIZED STRUCTURE CONSISTING OF A MULTIPLICITY OF IDENTICAL CHANNEL MEMBERS BOLTED AT THEIR ENDS TO IDENTICAL JUNCTION PLATES AND ARRANGED TO FORM ALTERNATE ERECT AND INVERTED SQUARE PYRAMIDS, THE BASE MEMBERS OF THE PYRAMIDS FORMING CHORDS IN PARALLEL PLANES AND THE INCLINED EDGES FORMING WEB MEMBERS OR STRUTS, EACH STRUT CONSTITUTING AN EDGE
Claim 2
Dependent Claim
58 words
A BUILDING CONSTRUCTION COMPRISING A SKELETONIZED STRUCTURE CONSISTING OF A MULTIPLICITY OF IDENTICAL CHANNEL MEMBERS BOLTED AT THEIR ENDS TO IDENTICAL JUNCTION PLATES AND ARRANGED TO FORM ALTERNATE ERECT AND INVERTED SQUARE PYRAMIDS, THE BASE MEMBERS OF THE PYRAMIDS FORMING CHORDS IN PARALLEL PLANES AND THE INCLINED EDGES FORMING WEB MEMBERS OR STRUTS, EACH STRUT CONSTITUTING AN EDGE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |