Patent US3375529A successfully refreshed from Google Patents.
US3375529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembly for mounting face protection devices on headgear
Assignee: MSA Safety Inc
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Filing: 1966-11-22
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Granted: 1968-04-02
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Expires: 1986-11-22
Abstract
No abstract record available.
Inventors
- 👤 Timm Walter
- 👤 Albert E Sebest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:59
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/225; A61; A61F; A61F9/00; A61F9/04; A61F9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN ASSEMBLY FOR MOUNTING A FACE PROTECTION DEVICE ON A PROTECTIVE HEADGEAR COMPRISING: (A) A BAND ADAPTED TO SURROUND THE CROWN OF A PROTECTIVE HEADGEAR HAVING OPPOSED SIDE PORTIONS AND A PLURALITY OF CIRCUMFERENTIALLY SPACED GROOVES ON THE OUTER SURFACE OF SAID SIDE PORTIONS, (B) A PAIR OF OPPOSED BRACKETS, EACH OF SAID BRACKETS COMPRISING: (1) A SUBSTANTIALLY PLANAR WALL ADJACENT SAID GROOVED BAND SURFACE, (2) TWO U-SHAPED LUGS INTEGRAL WITH AND HORIZONTALLY SPACED ON SAID WALL ENCLOSING AND SLIDABLY ENGAGING SAID BAND, (3) AT LEAST ONE RIB INTEGRAL WITH SAID WALL, NORMALLY ENGAGING SAID GROOVES AND DISENGAGING FROM SAID GROOVES WHEN THE BAND IS FLEXED INWARDLY, WHEREBY THE BRACKET MAY BE CIRCUMFERENTIALLY ADJUSTED TO DIFFERENT FIXED POSITIONS ON THE BAND.
Claim 2
Dependent Claim
121 words
AN ASSEMBLY FOR MOUNTING A FACE PROTECTION DEVICE ON A PROTECTIVE HEADGEAR COMPRISING: (A) A BAND ADAPTED TO SURROUND THE CROWN OF A PROTECTIVE HEADGEAR HAVING OPPOSED SIDE PORTIONS AND A PLURALITY OF CIRCUMFERENTIALLY SPACED GROOVES ON THE OUTER SURFACE OF SAID SIDE PORTIONS, (B) A PAIR OF OPPOSED BRACKETS, EACH OF SAID BRACKETS COMPRISING: (1) A SUBSTANTIALLY PLANAR WALL ADJACENT SAID GROOVED BAND SURFACE, (2) TWO U-SHAPED LUGS INTEGRAL WITH AND HORIZONTALLY SPACED ON SAID WALL ENCLOSING AND SLIDABLY ENGAGING SAID BAND, (3) AT LEAST ONE RIB INTEGRAL WITH SAID WALL, NORMALLY ENGAGING SAID GROOVES AND DISENGAGING FROM SAID GROOVES WHEN THE BAND IS FLEXED INWARDLY, WHEREBY THE BRACKET MAY BE CIRCUMFERENTIALLY ADJUSTED TO DIFFERENT FIXED POSITIONS ON THE BAND.
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) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |