US3720442A
Expired / Lapsed
US
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Chair
Assignee: HOHENLOHER SCHULMOEBELFAB SCHAFFITZEL KG DT
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Filing: 1971-10-29
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Granted: 1973-03-13
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Expires: 1991-10-29
Abstract
Abstract A CHAIR HAVING A BASE ADAPTED TO REST ON THE FLOOR, A SEAT ADJUSTABLE TO DIFFERENT HEIGHTS FROM THE BASE, A BACK REST ADJUSTABLE IN AN UPWARDLY INCLINED DIRECTION FROM THE REAR SIDE OF THE SEAT TO DIFFERENT DISTANCES FROM THE BASE AND FROM THE SEAT, AND COMMON MEANS FOR ADJUSTING THE SEAT AND BACK REST SO AS TO INCREASE OR REDUCE THEIR HEIGHTS AND POSITIONS SIMULTANEOUSLY BUT DIFFERENTLY FROM EACH OTHER.
Inventors
- 👤 R Bergmann
- 👤 K Fleischmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:59
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/023; A47C3/00; A47C3/20; A47C3/24; A47C3/26; A47C3/265; A47C7/00; A47C7/36; A47C7/40; A47C7/402; A47D; A47D1/00; A47D1/002; A47D1/004; A47D11/00; A47D11/02
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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |