US3225357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover plate for eye protecting device
Assignee: Welsh Manufacturing Co
•
Filing: 1963-03-22
•
Granted: 1965-12-28
•
Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Johnson Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:48
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/02; A61F9/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A GENERALLY RECTANGULAR FACE SHIELD OF A WIDTH TO COVER BOTH EYES OF A WEARER COMPRISING A FRAME FOR RETAINING EYE PROTECTING MEANS, A FILTER LENS AND A TRANSPARENT COVER PLATE THEREFOR, BOTH IN A FLAT PLANE IN SAID FRAME, SAID COVER PLATE HAVING INTEGRAL PROJECTIONS OF THE SAME PIECE OF MATERIAL ALONG ITS MARGINAL EDGE EXTENDING TOWARD THE FILTER LENS TO SPACE IT FROM SAID FILTER LENS, SAID PROJECTIONS HAVING FLAT SURFACES AND BEING OF SUBSTANTIALL WIDTH PRESSENTING BOARD SURFACES TO THE FILTER LENS
Claim 2
Dependent Claim
85 words
A GENERALLY RECTANGULAR FACE SHIELD OF A WIDTH TO COVER BOTH EYES OF A WEARER COMPRISING A FRAME FOR RETAINING EYE PROTECTING MEANS, A FILTER LENS AND A TRANSPARENT COVER PLATE THEREFOR, BOTH IN A FLAT PLANE IN SAID FRAME, SAID COVER PLATE HAVING INTEGRAL PROJECTIONS OF THE SAME PIECE OF MATERIAL ALONG ITS MARGINAL EDGE EXTENDING TOWARD THE FILTER LENS TO SPACE IT FROM SAID FILTER LENS, SAID PROJECTIONS HAVING FLAT SURFACES AND BEING OF SUBSTANTIALL WIDTH PRESSENTING BOARD SURFACES TO THE FILTER LENS
References Cited (Backward Citations)
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US2341673A
Cited
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US2759394A
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |