US3315673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retaining means for face masks
Assignee: TEXACE Corp A CORP OF TEX
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Filing: 1964-07-13
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Granted: 1967-04-25
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Jr William D Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:54
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/08; A62B18/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A FACE MASK COMPRISING: A FACE ENCLOSURE HAVING A LENS OPENING AND A RESILIENT BEAD INTEGRAL WITH THE WALL OF SAID ENCLOSURE AND ENCIRCLING SAID OPENING, A TRANSPARENT LENS POSITIONED WITHIN SAID OPENING, SAID BEAD HAVING AN INWARDLY OPENING GROOVE RECEIVING THE PERIPHERAL EDGE OF SAID LENS, OPPOSITE INSIDE AND OUTSIDE SIDE WALLS OF THE BEAD HAVING FLAT EXTERIOR SURFACES OF UNINTERRUPTED CONTINUITY, A SPLIT RETAINER RING ENCIRCLING SAID BEAD AND HAVING AN INWARDLY OPENING CHANNEL RECEIVING THE BEAD, SAID RING HAVING SIDE WALLS WITH SMOOTH INTERIOR SURFACES SPACED APART A DISTANCE SLIGHTLY LESS THAN THE DISTANCE BETWEEN SAID OUTSIDE SIDE WALLS OF THE BEAD, EACH HALF OF SAID RETAINER RING HAVING TERMINAL FLANGES WHICH EXTEND REARWARDLY RELATIVE TO SAID LENS AND IN GENERALLY PARALLEL RELATIONSHIP, AND BOLTS EXTENDING THROUGH SAID FLANGES FOR DRAWING THE TWO HALVES OF SAID RING TOGETHER ABOUT SAID BEAD AND LENS TO FIRMLY RETAIN THE LATTER IN SAID OPENING.
Claim 2
Dependent Claim
154 words
A FACE MASK COMPRISING: A FACE ENCLOSURE HAVING A LENS OPENING AND A RESILIENT BEAD INTEGRAL WITH THE WALL OF SAID ENCLOSURE AND ENCIRCLING SAID OPENING, A TRANSPARENT LENS POSITIONED WITHIN SAID OPENING, SAID BEAD HAVING AN INWARDLY OPENING GROOVE RECEIVING THE PERIPHERAL EDGE OF SAID LENS, OPPOSITE INSIDE AND OUTSIDE SIDE WALLS OF THE BEAD HAVING FLAT EXTERIOR SURFACES OF UNINTERRUPTED CONTINUITY, A SPLIT RETAINER RING ENCIRCLING SAID BEAD AND HAVING AN INWARDLY OPENING CHANNEL RECEIVING THE BEAD, SAID RING HAVING SIDE WALLS WITH SMOOTH INTERIOR SURFACES SPACED APART A DISTANCE SLIGHTLY LESS THAN THE DISTANCE BETWEEN SAID OUTSIDE SIDE WALLS OF THE BEAD, EACH HALF OF SAID RETAINER RING HAVING TERMINAL FLANGES WHICH EXTEND REARWARDLY RELATIVE TO SAID LENS AND IN GENERALLY PARALLEL RELATIONSHIP, AND BOLTS EXTENDING THROUGH SAID FLANGES FOR DRAWING THE TWO HALVES OF SAID RING TOGETHER ABOUT SAID BEAD AND LENS TO FIRMLY RETAIN THE LATTER IN SAID OPENING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |