US4850050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Body armor
Assignee: Akzo NV
•
Filing: 1988-07-14
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Granted: 1989-07-25
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Expires: 2008-07-14
Abstract
Abstract Body armor comprising a plurality of laminated fabric layers from aramid yarn, wherein the filaments of the armid yarn have an individual titer of less than 1.5 dtex.
Inventors
- 👤 Reinhard Droste
- 👤 Dieter Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:02
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0471; F41H5/0485
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
33 words
A body armor comprising a plurality of laminated fabric layers made from aramid yarns comprised of filaments, wherein the filaments of the aramid yarns have an individual titer of less than 1.5 dtex.
Claim 2
Dependent Claim
33 words
A body armor comprising a plurality of laminated fabric layers made from aramid yarns comprised of filaments, wherein the filaments of the aramid yarns have an individual titer of less than 1.5 dtex.
Claim 3
Dependent Claim
22 words
The body armor of claim 1, wherein the filaments of the aramid yarns have an individual titer of 0.8 to 1.4 dtex.
Claim 4
Dependent Claim
20 words
The body armor of claim 1, wherein the filaments of the aramid yarns have an individual titer of 1.46 dtex.
Claim 5
Dependent Claim
20 words
The body armor of claim 1, wherein the filaments of the aramid yarns have an individual titer of 1.12 dtex.
Claim 6
Dependent Claim
20 words
The body armor of claim 1, wherein the filaments of the aramid yarns have an individual titer of 0.84 dtex.
References Cited (Backward Citations)
US3869429A
Cited
US3891996A
Cited
US4181768A
Cited
FR2431674A1
Cited
EP0055190A1
Cited
EP0138011A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-24 | 1993-01-23 | 1993-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-24 | 1997-01-23 | 1997-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-24 | 2001-01-23 | 2001-07-25 | $7700.00 | Window Closed / Lapsed |