US3741852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmental multiunit study table
Assignee: American Seating Co
•
Filing: 1971-06-03
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Granted: 1973-06-26
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Expires: 1991-06-03
Abstract
Abstract A SEGMENTAL STUDY TABLE ACCOMODATING A NUMBER OF STUDENTS ABOUT A CENTRAL NUCLEUS TABLE IS PROVIDED BY A HEXAGONAL TABLE HAVING THREE LONG SIDES OF EQUAL LENGTH SPACED BY THREE SHORT EQUAL LENGTH SIDES, THE LONG SIDES BEING ENGAGED BY WING TABLES PRESENTING SIDES EQUALLING THE LENGTH OF SAID LONG SIDES AND MATING THEREWITH AND FORMING SUBSTANTIALLY EQUAL OBTUSE ANGLES WITH THE NUCLEUS TABLE SHORT SIDES SO AS TO POVIDE BETWEEN THE WING TABLES EQUAL SPACE AREAS ENLARGING PROGRESSIVELY OUTWARDLY FROM EACH SHORT SIDE OF THE NUCLEUS TABLE.
Inventors
- 👤 R Keener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:11
CPC Classifications
A; A47; A47B; A47B87/00; A47B87/002
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) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |