Patent US1129481A successfully refreshed from Google Patents.
Patent US3562979A successfully refreshed from Google Patents.
US3562979A
Expired / Lapsed
US
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Building construction
Assignee: COMPONOFORM Inc
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Filing: 1968-12-16
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Granted: 1971-02-16
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Expires: 1988-12-16
Abstract
Abstract A BUILDING CONSTRUCTION IN MODULAR FORM IS PROVIDED FOR USE IN HOMES, SCHOOLS, OFFICES AND OTHER STRUCTURES. PREFABRICATED OR PRECAST COLUMNS HAVING INTEGRAL CROSS ARMS ARE KEY COMPONENTS IN THE STRUCTURE OF THIS INVEN- TION. IN ADDITION, NOVEL MODULAR FLOOR SLABS, EXTERIOR PANELS AND CONCRETE CORING DEVICES ARE PROVIDED IN BUILDING CONSTRUCTIONS OF THIS INVENTION.
Inventors
- 👤 Ewgeni Ali-Oglu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:52
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/34; E04B1/18; E04B1/20; E04B1/21; E04B1/215; E04G; E04G15/00; E04G15/06; E04G9/00; E04G9/02; E04G9/021; E04G9/08; E04G9/083; Y; Y10; Y10S; Y10S249/00; Y10S249/02
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |