Patent US4031674A successfully refreshed from Google Patents.
US4031674A
Expired / Lapsed
US
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Inflatable tent
Assignee: Individual
•
Filing: 1976-01-19
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Granted: 1977-06-28
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Expires: 1996-01-19
Abstract
Abstract An inflatable tent is in the shape of a non-planar tetrahedron. The tent is formed from a single rectangular, planar sheet joined with itself along three linear seams.
Inventors
- 👤 J. Patrick Rand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:52
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/20; E04H15/22; Y; Y10; Y10S; Y10S160/00; Y10S160/07; Y10S52/00; Y10S52/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
149 words
A camping tent comprising a flexible tent membrane and a separate tent support means, said tent membrane having the shape of a non-planar irregular tetrahedron when supported by said support means, said tent being formed from a substantially rectangular sheet, first and second opposed edges of said sheet being joined along a first seam, a third edge of said sheet being joined with itself along a second seam substantially perpendicular to said first seam, and a fourth edge of said sheet being joined with itself along a third seam substantially perpendicular to both said first and second seams, at least one of said second and third seams comprising a zipper, said support means comprising a blower communicating with said tent membrane for blowing air into said tent membrane and a vent, said vent cooperating with said blower to replace air in said inflatable membrane and to regulate internal pressure.
Claim 2
Dependent Claim
149 words
A camping tent comprising a flexible tent membrane and a separate tent support means, said tent membrane having the shape of a non-planar irregular tetrahedron when supported by said support means, said tent being formed from a substantially rectangular sheet, first and second opposed edges of said sheet being joined along a first seam, a third edge of said sheet being joined with itself along a second seam substantially perpendicular to said first seam, and a fourth edge of said sheet being joined with itself along a third seam substantially perpendicular to both said first and second seams, at least one of said second and third seams comprising a zipper, said support means comprising a blower communicating with said tent membrane for blowing air into said tent membrane and a vent, said vent cooperating with said blower to replace air in said inflatable membrane and to regulate internal pressure.
Claim 3
Dependent Claim
21 words
The tent of claim 1 wherein at least two sides of said tent are of colors having different energy absorbing characteristics.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-27 | 1980-12-27 | 1981-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-27 | 1984-12-27 | 1985-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-27 | 1988-12-27 | 1989-06-28 | $7700.00 | Window Closed / Lapsed |