Patent US3619957A successfully refreshed from Google Patents.
US3619957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable canopy for outdoor areas
Assignee: Individual
•
Filing: 1969-12-11
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Granted: 1971-11-16
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Expires: 1989-12-11
Abstract
Abstract A CANOPY IS CONSTRUCTED OF INFLATABLE SIDE WALLS WHICH REST ON THE FIELD, THE TUBULAR SIDE WALL ARE CONNECTED TO TRANSVERSE TUBULAR BLISTERS WHICH ARE INFLATED THROUGH TUBULAR SIDE WALL. THE CANOPY IS CARRIED ALONG A PAIR IF TRACKS AND IS CONTAINER IN TRENCH WHICH IS PARALLEL TO THE TRACK, ROLLERS ARE PROVIDED IN THE TRENCH WHICH SQUEEZE THE CANOPY SO THAT IT CAN BE STORED BELOW THE ROLLERS, THR ROLLERS ARE ALSO PROVIDING A SEAL AT THAT END OF THE CANOPY FOR THE AIR IN THE TUBULAR SIDE WALLS WHICH ARE POSITIONED IN THE TRACK.
Inventors
- 👤 Herbert Alexander Adam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:08
CPC Classifications
A; A63; A63C; A63C19/00; A63C19/12; A63C2203/00; A63C2203/16
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) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |