Patent US4613993A successfully refreshed from Google Patents.
US4613993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective head gear with tubular rings
Assignee: Individual
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Filing: 1984-12-27
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Granted: 1986-09-30
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Expires: 2004-12-27
Abstract
Abstract A protective head gear comprising a plurality of concentric tubular rings formed of soft, yieldable material. The rings which are filled with non-flamable, light, yieldable material, are gradually reduced diametrically and joined by flexible ribbons. A chin strap and a rear support strap detachably maintain the rings on the head of the user.
Inventors
- 👤 Richard J. Steele
- 👤 Maribel Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:56
CPC Classifications
A; A42; A42B; A42B3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
In a protective head gear a plurality of concentric rings of light, flexible material, ribbons connecting said rings in spaced relationship, and means for maintaining said rings on the head of a user, said rings being tubular and gradually diametrically reduced, with the lowermost ring being the largest, a reinforcing strip of light, flexible material mounted on the inside of the largest of said rings and covering a seam located thereon, said connecting ribbons comprising side ribbons and a rear ribbon wherein said side ribbons extend upwardly and forwardly from the lowermost ring to a top ring and the rear ribbon extends in a line from the top ring to the lower ring, the said maintaining means comprising a chin strap and a rear support strap.
Claim 2
Dependent Claim
126 words
In a protective head gear a plurality of concentric rings of light, flexible material, ribbons connecting said rings in spaced relationship, and means for maintaining said rings on the head of a user, said rings being tubular and gradually diametrically reduced, with the lowermost ring being the largest, a reinforcing strip of light, flexible material mounted on the inside of the largest of said rings and covering a seam located thereon, said connecting ribbons comprising side ribbons and a rear ribbon wherein said side ribbons extend upwardly and forwardly from the lowermost ring to a top ring and the rear ribbon extends in a line from the top ring to the lower ring, the said maintaining means comprising a chin strap and a rear support strap.
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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) | 1989-09-29 | 1990-03-31 | 1990-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-29 | 1994-03-31 | 1994-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-29 | 1998-03-31 | 1998-09-30 | $7700.00 | Window Closed / Lapsed |