US3082767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head straps for respirator
Assignee: Welsh Manufacturing Co
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Filing: 1961-05-05
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Granted: 1963-03-26
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Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 James N Matheson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:37
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/08; A62B18/084; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45476
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A RESPIRATOR HAVING A BODY PART WITH OPPOSITE RESILIENT SIDE WALLS, THE REAR EDGES OF WHICH ARE ADAPTED TO CONTACT THE FACE OF THE WEARER, STRAP MEANS CONNECTED TO THE OPPOSITE SIDE WALLS ADJACENT THEIR REAR EDGES FOR ENCIRCLING AND EMBRACING THE BACK OF THE HEAD, A SINGLE RESILIENT POCKET LOCATED ADJACENT THE REAR EDGE OF AT LEAST ONE OF SAID SIDE WALLS AND SERVING AS THE SOLE MEANS FOR SECURING THE STRAP MEANS THERETO, SAID STRAP MEANS COMPRISING A PAIR OF STRAPS UNCONNECTED ALONG A MAJOR PORTION OF THEIR EXTENT FOR DISPOSAL IN SPACED RELATION ABOUT THE HEAD AND SECURED TOGETHER IN SUPERIMPOSED PLIES AT THEIR JUNCTURE
Claim 2
Dependent Claim
108 words
A RESPIRATOR HAVING A BODY PART WITH OPPOSITE RESILIENT SIDE WALLS, THE REAR EDGES OF WHICH ARE ADAPTED TO CONTACT THE FACE OF THE WEARER, STRAP MEANS CONNECTED TO THE OPPOSITE SIDE WALLS ADJACENT THEIR REAR EDGES FOR ENCIRCLING AND EMBRACING THE BACK OF THE HEAD, A SINGLE RESILIENT POCKET LOCATED ADJACENT THE REAR EDGE OF AT LEAST ONE OF SAID SIDE WALLS AND SERVING AS THE SOLE MEANS FOR SECURING THE STRAP MEANS THERETO, SAID STRAP MEANS COMPRISING A PAIR OF STRAPS UNCONNECTED ALONG A MAJOR PORTION OF THEIR EXTENT FOR DISPOSAL IN SPACED RELATION ABOUT THE HEAD AND SECURED TOGETHER IN SUPERIMPOSED PLIES AT THEIR JUNCTURE
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |