US3650431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety container
Assignee: Phillips Petroleum Co
•
Filing: 1969-12-19
•
Granted: 1972-03-21
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Expires: 1989-12-19
Abstract
Abstract A bulked or textured filamentary plastic material is employed in a fuel tank or other container as a means for reducing explosion hazard and/or as an anti-sloshing means.
Inventors
- 👤 Dan F Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:39
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/077; B64; B64D; B64D37/00; B64D37/32; B60K2015/03328; B60K2015/03381; Y; Y10; Y10S; Y10S220/00; Y10S220/90; Y10S220/901
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
26 words
A liquid storage container structure, suitable for the storage of fuel, having disposed therein an essentially selfsupporting filler material formed of a bulked filamentary plastic material.
Claim 2
Dependent Claim
26 words
A liquid storage container structure, suitable for the storage of fuel, having disposed therein an essentially selfsupporting filler material formed of a bulked filamentary plastic material.
Claim 3
Dependent Claim
18 words
A container structure according to claim 1 wherein said filler material is formed of a bulked filamentary polyolefin.
Claim 4
Dependent Claim
18 words
A container structure according to claim 2 wherein said filler material is formed of a bulked filamentary polyethylene.
Claim 5
Dependent Claim
18 words
A container structure according to claim 2 wherein said filler material is formed of a bulked filamentary polypropylene.
Claim 6
Dependent Claim
26 words
A container according to claim 4 wherein said bulked filamentary polypropylene has an apparent density within the range of from 0.04 to 0.2 gram per cc.
Claim 7
Dependent Claim
54 words
A fuel container structure according to claim 1, wherein: the wall of said container is an enclosing wall; an inlet opening is provided in said wall; said filler material is randomly arrayed within said container in contact with said wall; and said wall is the only other support for said essentially self-supporting filler material.
Claim 8
Dependent Claim
23 words
A container structure according to claim 6 wherein the lower one-third to three-fourths portion of the container is occupied by said filler material.
Claim 9
Dependent Claim
22 words
A container structure according to claim 6 wherein all the interior of said container is occupied by said bulked filamentary plastic material.
Claim 10
Dependent Claim
27 words
A container structure according to claim 8 wherein: said inlet opening comprises a conduit connected to said container; and said bulked filamentary material extends into said conduit.
Claim 11
Dependent Claim
46 words
A container structure according to claim 6 wherein: said bulked filler material has an apparent density within the range of from 0.04 to 0.2 gram per cc.; and the filaments in said bulked filamentary material have a denier within the range of about 30 to 600.
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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) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |