US3311922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breath deflector for welders' helmets and the like
Assignee: Individual
•
Filing: 1965-02-16
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Granted: 1967-04-04
•
Expires: 1985-02-16
Abstract
No abstract record available.
Inventors
- 👤 Paul A Bezzerides
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:06
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A BREATH DEFLECTOR IN COMBINATION WITH A WELDER''S HELMET HAVING A FRONT WALL PROVIDING A WINDOW AND WINDOW CONSTRAINING MEANS COMPRISING A UNITARY BODY OF FLEXIBLE SHEET MATERIAL HAVING A MOUNTING PORTION AND A MASKING PORTION, SAID MOUNTING PORTION INCLUDING MEANS ENGAGING SAID CONSTRAINING MEANS HOLDING THE DEFLECTOR IS A RETRACTED POSITION IN SUBSTANTIAL CONFORMING RELATION TO SAID FRONT WALL OF THE HELMET BELOW THE WINDOW AND SAID MASKING PORTION BEING ADAPTED TO BE MANUALLY RAISED TO A POSITION AUTOMATICALLY FORMING A NOSE RECEIVING TROUGH WITH THE MASKING PORTION DEPENDABLY RETAINING SUCH CONFIGURATION IN PARTIALLY BLOCKING RELATION TO THE WINDOW UNTIL MANUALLY LOWERED TO SAID RETRACTED POSITION.
Claim 2
Dependent Claim
107 words
A BREATH DEFLECTOR IN COMBINATION WITH A WELDER''S HELMET HAVING A FRONT WALL PROVIDING A WINDOW AND WINDOW CONSTRAINING MEANS COMPRISING A UNITARY BODY OF FLEXIBLE SHEET MATERIAL HAVING A MOUNTING PORTION AND A MASKING PORTION, SAID MOUNTING PORTION INCLUDING MEANS ENGAGING SAID CONSTRAINING MEANS HOLDING THE DEFLECTOR IS A RETRACTED POSITION IN SUBSTANTIAL CONFORMING RELATION TO SAID FRONT WALL OF THE HELMET BELOW THE WINDOW AND SAID MASKING PORTION BEING ADAPTED TO BE MANUALLY RAISED TO A POSITION AUTOMATICALLY FORMING A NOSE RECEIVING TROUGH WITH THE MASKING PORTION DEPENDABLY RETAINING SUCH CONFIGURATION IN PARTIALLY BLOCKING RELATION TO THE WINDOW UNTIL MANUALLY LOWERED TO SAID RETRACTED POSITION.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |