Patent US4422691A successfully refreshed from Google Patents.
US4422691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passenger seat
Assignee: Individual
•
Filing: 1981-06-17
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Granted: 1983-12-27
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Expires: 2001-06-17
Abstract
Abstract A passenger seat structure for installation in vehicles such as buses, railroad cars, boats and airplanes consists of a support frame provided with support legs. The frame includes two beams having top and bottom channels with seat and leg mounting means slidably disposed therein. The seat includes seating and backrest support plates mounted at their edges to support tubes and carrying upholstery members. With this arrangement the legs and the seats, which are light in weight, can be positioned at any point along the support beams.
Inventors
- 👤 Ignaz Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:34
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/68; B60N2/682; B60N2/686; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49849; Y10T29/49851
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
161 words
A passenger seating arrangement for installation in vehicles such as buses, railroad cars, boats and airplanes, said seating arrangement comprising: a support frame consisting of support legs with at least two seat support beams mounted on, and interconnecting, said legs, at least one seat mounted on said support frame, said seat including two support tubes mounted on said support beams, a seating plate mounted on top of said support tubes and a backrest plate mounted behind said support tubes, the seating and backrest plates being interconnected by said support tubes, said support tubes having open upper ends, upholstery members mounted on top of the seating and the front of the backrest plates and cover parts mounted on the rear of said backrest plate, a bridging tube inserted into the open ends of said support tubes, said bridging tube carrying a headrest, and a handle integral with said bridging tube and projecting rearwardly therefrom beyond the cover parts of said backrest plate.
Claim 2
Dependent Claim
161 words
A passenger seating arrangement for installation in vehicles such as buses, railroad cars, boats and airplanes, said seating arrangement comprising: a support frame consisting of support legs with at least two seat support beams mounted on, and interconnecting, said legs, at least one seat mounted on said support frame, said seat including two support tubes mounted on said support beams, a seating plate mounted on top of said support tubes and a backrest plate mounted behind said support tubes, the seating and backrest plates being interconnected by said support tubes, said support tubes having open upper ends, upholstery members mounted on top of the seating and the front of the backrest plates and cover parts mounted on the rear of said backrest plate, a bridging tube inserted into the open ends of said support tubes, said bridging tube carrying a headrest, and a handle integral with said bridging tube and projecting rearwardly therefrom beyond the cover parts of said backrest plate.
Claim 3
Dependent Claim
18 words
A passenger seat as claimed in claim 1, wherein said seating and backrest support plates consist of wood.
Claim 4
Dependent Claim
22 words
A passenger seat as claimed in claim 1, wherein said seating and backrest plates are plastic plates with mounting elements incorporated therein.
Claim 5
Dependent Claim
18 words
A passenger seat as claimed in claim 1, wherein said seating and backrest plates are of sandwiched structure.
References Cited (Backward Citations)
US596986A
Cited
US827613A
Cited
US992877A
Cited
US2345650A
Cited
US2380379A
Cited
GB650239A
Cited
US2839125A
Cited
US3147997A
Cited
US3166285A
Cited
US3619006A
Cited
DE2204076A1
Cited
US3870363A
Cited
USRE29522E
Cited
US3885766A
Cited
US4152023A
Cited
US4099780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-12-26 | 1987-06-27 | 1987-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-26 | 1991-06-27 | 1991-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-26 | 1995-06-27 | 1995-12-27 | $7700.00 | Window Closed / Lapsed |