US3582990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ballistic cover for protective helmet
Assignee: Gentex Corp
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Filing: 1969-10-07
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Granted: 1971-06-08
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Expires: 1989-10-07
Abstract
Abstract A BALLISTIC COVER FOR A PROTECTIVE HELMET IN WHICH A PLURALITY OF LAMINATES OF WOVEN BALLISTIC CLOTH WHICH ARE INDIVIDUALLY CUT AND SEWED TO CONFORM TO THE SHAPE OF THE HELMET ARE TACKED TOGETHER AROUND THEIR PERIPHERIES TO FORM AN ASSEMBLY WITH SEAMS OF THE INDIVIDUAL LAMINATES OUT OF LINE. A LIGHT FABRIC ENVELOPE COVERING CUT AND SEWED TO THE SHAPE OF THE HELMET RECEIVES THE BALLISTIC FABRIC ASSEMBLY AND CARRIES MEANS FOR REMOVABLY SECURING IT TO THE HELMET WITH WHICH IT IS TO BE USED. IT MAY PROVIDE AN INNER LAMINATE OF IMPACT ABSORBING FOAM FOR THE ASSEMBLY.
Inventors
- 👤 Leonard P Frieder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:34
CPC Classifications
F; F41; F41H; F41H1/00; F41H1/04; F41H1/08; A; A42; A42B; A42B3/00; A42B3/04; A42B3/06
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) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |