Patent US3196458A successfully refreshed from Google Patents.
US3196458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective mask
Assignee: Individual
•
Filing: 1963-08-14
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Granted: 1965-07-27
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Larry F Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:38
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/08; A63B71/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROTECTIVE MASK ADAPTED TO BE WORN ON THE HEAD OF A WEARER AND COMPRISING A FRONTAL PORTION FORMED OF STIFF NON-SHATTERING MATERIAL ADAPTED TO OVERLIE AND SHIELD A SUBSTANTIAL AREA OF THE FACE OF THE WEARER, MEANS CONNECTED TO AND EXTENDING REARWARDLY FROM SAID FRONTAL PORTION GENERALLY TOWARD AND TERMINATING SHORT OF THE EARS OF THE WEARER FOR CLAMPING THE MASK TO THE HEAD OF THE WEARER, SAID CLAMPING THE MASK TO THE HEAD SIDE PORTIONS FORMED OF STIFF NON-SHATTERING MATERIAL, SAID SIDE PORTIONS BEING PIVITALLY CONNECTED TO AND EXTENDING REARWARDLY FROM SAID FRONTAL PORTION GENERALLY TOWARD AND TERMINATING SHORT OF THE EARS OF THE WEARER, AND SPRING MEANS BIASING SAID SIDE PORTIONS TOWARD EACH OTHER AND INTO CLAMPING ENGAGERMENT WITH THE HEAD OF THE WEARER.
Claim 2
Dependent Claim
127 words
A PROTECTIVE MASK ADAPTED TO BE WORN ON THE HEAD OF A WEARER AND COMPRISING A FRONTAL PORTION FORMED OF STIFF NON-SHATTERING MATERIAL ADAPTED TO OVERLIE AND SHIELD A SUBSTANTIAL AREA OF THE FACE OF THE WEARER, MEANS CONNECTED TO AND EXTENDING REARWARDLY FROM SAID FRONTAL PORTION GENERALLY TOWARD AND TERMINATING SHORT OF THE EARS OF THE WEARER FOR CLAMPING THE MASK TO THE HEAD OF THE WEARER, SAID CLAMPING THE MASK TO THE HEAD SIDE PORTIONS FORMED OF STIFF NON-SHATTERING MATERIAL, SAID SIDE PORTIONS BEING PIVITALLY CONNECTED TO AND EXTENDING REARWARDLY FROM SAID FRONTAL PORTION GENERALLY TOWARD AND TERMINATING SHORT OF THE EARS OF THE WEARER, AND SPRING MEANS BIASING SAID SIDE PORTIONS TOWARD EACH OTHER AND INTO CLAMPING ENGAGERMENT WITH THE HEAD OF THE WEARER.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |