Patent US3720443A successfully refreshed from Google Patents.
US3720443A
Expired / Lapsed
US
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Seats
Assignee: MODERN TUBE
•
Filing: 1971-04-19
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Granted: 1973-03-13
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Expires: 1991-04-19
Abstract
Abstract A SEAT COMPRISES A SEATING AND A BACK INTERCONNECTED BY AN UPRIGHT WHICH AT ONE END SUPPORTS THE BACK AND AT THE OTHER END IS SLIDABLY MOUNTED IN AN INVERTED CHANNEL SHAPED PLATE AND IS CONNECTED BY COUPLING MEANS TO AN ADJUSTMENT LEVER PIVOTALLY MOUNTED ON THE PLATE.
Inventors
- 👤 R Mourgue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:58
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C1/00; A47C1/02; A47C1/022; A47C1/023; A47C3/00; A47C3/02; A47C3/025; A47C3/026; A47C3/18; A47C3/20; A47C3/28
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 |