Patent US3896496A successfully refreshed from Google Patents.
US3896496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interchangeable lens ski goggle
Assignee: Foster Grant Co Inc
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Filing: 1974-04-29
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Granted: 1975-07-29
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Expires: 1994-04-29
Abstract
Abstract An interchangeable lens goggle including novel lens mounting means which provide for ease of lens interchangeability and superior protection to the wearer while participating in active sports.
Inventors
- 👤 Conrad Leblanc
- 👤 Vitalino Marchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:27
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/02; A61F9/025
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
201 words
A pair of interchangeable lens goggles comprising; a. a flexible face mask for engaging the wearer''s face having a lens opening; b. a separate rigid plastic mounting member supported by said flexible face mask and extending substantially completely around the periphery of said lens opening therein, a portion of said separate rigid plastic mounting member being embedded in the flexible face mask substantially completely around the periphery of said lens opening, said separate rigid plastic mounting member having a further portion extending inwardly of said lens opening in said flexible face mask providing a continuous rigid supporting surface upon which a lens may be mounted before the wearer''s eyes, said rigid member having a locking means thereon for directly engaging a lens and maintaining it in its supported position while allowing removal of the lens when it is desired to interchange the lens with another; c. a transparent lens having means formed therein to engage said locking means on said rigid member, said lens when locked in its operative position having its entire outer edge portion overlapping and being rigidly supported only by said separate rigid plastic member, and; d. means engaging the wearer''s head for holding said face mask thereagainst.
Claim 2
Dependent Claim
201 words
A pair of interchangeable lens goggles comprising; a. a flexible face mask for engaging the wearer''s face having a lens opening; b. a separate rigid plastic mounting member supported by said flexible face mask and extending substantially completely around the periphery of said lens opening therein, a portion of said separate rigid plastic mounting member being embedded in the flexible face mask substantially completely around the periphery of said lens opening, said separate rigid plastic mounting member having a further portion extending inwardly of said lens opening in said flexible face mask providing a continuous rigid supporting surface upon which a lens may be mounted before the wearer''s eyes, said rigid member having a locking means thereon for directly engaging a lens and maintaining it in its supported position while allowing removal of the lens when it is desired to interchange the lens with another; c. a transparent lens having means formed therein to engage said locking means on said rigid member, said lens when locked in its operative position having its entire outer edge portion overlapping and being rigidly supported only by said separate rigid plastic member, and; d. means engaging the wearer''s head for holding said face mask thereagainst.
Claim 3
Dependent Claim
143 words
The goggles of claim 1 wherein: a. said locking means on said rigid mounting member supported by said face mask comprises a pair of upwardly extending lugs spaced a predetermined distance from one another on opposite end portions of said rigid member, each of said lugs having an overhanging lip on said rigid member and a lens receiving groove under said lip; and b. said lens includes a pair of spaced openings on said ends thereof whereby said openings in said lens are slipped over said lugs and manually forced over said overhanging lip so that portions of said lens bordering each of said openings are received in said lens receiving grooves on said lugs and are prevented by said overhanging lip from slipping off said lugs unless forceably deflected past said lip by one wishing to interchange the goggle lens with another.
Claim 4
Dependent Claim
46 words
The goggles of claim 2 including at least one projection extending forwardly from the central portion of said rigid member and an opening in the lens which slip over said projection to aid in centering the lens in its proper operative position on said face mask.
Claim 5
Dependent Claim
71 words
The goggles of claim 3 including a pair of forwardly extending projection on said rigid member, one extending from the upper central portion of said rigid member and one extending from the lower central portion of said rigid member and a pair of openings in said lens each of which slip over one of said projections to aid in centering the lens in its proper operative position on said face mask.
Claim 6
Dependent Claim
30 words
The goggles of claim 1 wherein the means engaging the wearers head for holding said face mask thereagainst comprises a stretchable strap attached to opposing ends of said face mask.
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) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |