US3079609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headgear suspension for welding helment
Assignee: C & D ACQUISITION CORP A CORP OF DE
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Filing: 1959-12-30
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Granted: 1963-03-05
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Expires: 1979-12-30
Abstract
No abstract record available.
Inventors
- 👤 George R Hoffmaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:19
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/14; A61; A61F; A61F9/00; A61F9/04; A61F9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN A HEADGEAR ASSEMBLY FOR PIVOTALLY SUPPORTING A FACE PROTECTIVE DEVICE, COMPRISING A HEADBAND STRAP AND A CROWN STRAP HAVING ENDS CONNECTED TO DIAMETRICALLY OPPOSITE SIDE PORTIONS OF SAID HEADBAND STRAP, AN ARCUATE, FLATTENED TUBE INTO WHICH THE END PORTIONS OF SAID HEADBAND STRAP PROJECT, A LEAF SPRING HAVING ONE END CONNECTED TO AN EXTREMITY OF THE HEADBAND AND EXTENDING LONGITUDINALLY INSIDE SAID TUBE, AN ELONGATED SLOT FORMED ON THE OUTSIDE PORTION OF SAID FLATTENED TUBE AND OF GREATER WIDTH THAN THE LEAF SPRING, A METAL STRIP ATTACHED TO THE OUTSIDE OF SAID FLATTENED TUBE, SAID METAL STRIP HAVING A LONGITUDINAL SLOT COINCIDING WITH SAID ELONGATED SLOT, RATCHET TEETH INTEGRALLY FORMED ALONG THE TOP AND BOTTOM EDGES OF SAID LONGITUDINAL SLOT IN SAID METAL STRIP AND EXTENDING OUT-
Claim 2
Dependent Claim
128 words
IN A HEADGEAR ASSEMBLY FOR PIVOTALLY SUPPORTING A FACE PROTECTIVE DEVICE, COMPRISING A HEADBAND STRAP AND A CROWN STRAP HAVING ENDS CONNECTED TO DIAMETRICALLY OPPOSITE SIDE PORTIONS OF SAID HEADBAND STRAP, AN ARCUATE, FLATTENED TUBE INTO WHICH THE END PORTIONS OF SAID HEADBAND STRAP PROJECT, A LEAF SPRING HAVING ONE END CONNECTED TO AN EXTREMITY OF THE HEADBAND AND EXTENDING LONGITUDINALLY INSIDE SAID TUBE, AN ELONGATED SLOT FORMED ON THE OUTSIDE PORTION OF SAID FLATTENED TUBE AND OF GREATER WIDTH THAN THE LEAF SPRING, A METAL STRIP ATTACHED TO THE OUTSIDE OF SAID FLATTENED TUBE, SAID METAL STRIP HAVING A LONGITUDINAL SLOT COINCIDING WITH SAID ELONGATED SLOT, RATCHET TEETH INTEGRALLY FORMED ALONG THE TOP AND BOTTOM EDGES OF SAID LONGITUDINAL SLOT IN SAID METAL STRIP AND EXTENDING OUT-
References Cited (Backward Citations)
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US1172051A
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US1787202A
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US2503432A
Cited
US2658200A
Cited
US2747191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |