US4881896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muscular expansion bumper and head-gear appliance
Assignee: Individual
•
Filing: 1988-10-11
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Granted: 1989-11-21
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Expires: 2008-10-11
Abstract
Abstract A muscular expansion bumper appliance is optionally removable from a patient's mouth and includes a wire form member formed in a U-shape with the free ends which may be removably secured to buccal tubes. The wire form member supports at least one side pad which overlies one or both of the upper or lower posterior teeth to hold the user's cheeks away from those teeth to permit lateral posterior expansion. The side pads are formed by plate members secured to the wire form member covered with a plastic material. The plastic material can be trimmed to custom fit the appliance to the user and the appliance comes in varying sizes.
Inventors
- 👤 Earl O. Bergersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:54
CPC Classifications
A; A61; A61C; A61C7/00; A61C7/06
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
87 words
A muscular expansion bumper appliance for use in correcting human dentition comprising: a wire form member having a generally U-shaped configuration having a central bight portion with two free posterior ends; at least one metallic plate member secured to said wire form member and extending vertically at least one of superior to or inferior to said wire form member; said metallic plate member positioned on said wire form member between said free ends and said central bight portion; and a plastic material covering said metallic plate member.
Claim 2
Dependent Claim
87 words
A muscular expansion bumper appliance for use in correcting human dentition comprising: a wire form member having a generally U-shaped configuration having a central bight portion with two free posterior ends; at least one metallic plate member secured to said wire form member and extending vertically at least one of superior to or inferior to said wire form member; said metallic plate member positioned on said wire form member between said free ends and said central bight portion; and a plastic material covering said metallic plate member.
Claim 3
Dependent Claim
29 words
A muscular expansion bumper appliance according to claim 1, wherein there are a plurality of plate members which extend both superior to and inferior to said wire form member.
Claim 4
Dependent Claim
19 words
A muscular expansion bumper appliance according to claim 1, wherein said plate member is formed from a bendable material.
Claim 5
Dependent Claim
24 words
A muscular expansion bumper appliance according to claim 1, wherein one plate member is provided on each lateral side of said wire form member.
Claim 6
Dependent Claim
27 words
A muscular expansion bumper appliance according to claim 1, wherein said plate member has a channel formed therein for receiving a portion of said wire form member.
Claim 7
Dependent Claim
23 words
A muscular expansion bumper appliance according to claim 1, wherein said plastic covering extends over the entire exterior surface of said plate member.
Claim 8
Dependent Claim
35 words
A muscular expansion bumper appliance according to claim 1, wherein said plastic covering extends beyond said plate member to permit portions of said pad to be trimmed to custom fit the appliance to the user.
Claim 9
Dependent Claim
52 words
A muscular expansion bumper appliance according to claim 5, wherein said wire form member has a serpentine configuration in the region of its securement to said plate member and said channel has a corresponding serpentine configuration such that said wire form member is prevented from moving axially relative to said plate member.
Claim 10
Dependent Claim
28 words
A muscular expansion bumper according to claim 4, wherein said two free posterior ends of said wire form member terminate in points of attachment to said plate members.
Claim 11
Dependent Claim
24 words
A muscular expansion bumper according to claim 1, wherein said two free posterior ends of said wire form member extend beyond said plate member.
Claim 12
Dependent Claim
103 words
A muscular expansion bumper appliance for use in providing posterior lateral expansion of human dentition comprising: a wire form member having a generally U-shaped configuration with two free posterior ends, said ends being removably secured in buccal tubes for attachment a user's molars; at least one metallic plate member secured to said wire form member to overlie the buccal side of at least one of the upper or lower posterior teeth of the user, and a plastic covering molded over said metallic plate member, whereby, the user's cheeks will be held away from the adjoining teeth to permit posterior lateral expansion to occur.
Claim 13
Dependent Claim
103 words
A muscular expansion bumper appliance for use in providing posterior lateral expansion of human dentition comprising: a wire form member having a generally U-shaped configuration with two free posterior ends, said ends being removably secured in buccal tubes for attachment a user's molars; at least one metallic plate member secured to said wire form member to overlie the buccal side of at least one of the upper or lower posterior teeth of the user, and a plastic covering molded over said metallic plate member, whereby, the user's cheeks will be held away from the adjoining teeth to permit posterior lateral expansion to occur.
Claim 14
Dependent Claim
19 words
A muscular expansion bumper appliance according to claim 11, wherein said plate member overlies both upper and lower teeth.
Claim 15
Dependent Claim
20 words
A muscular expansion bumper appliance according to claim 11, wherein said metallic plate member is formed from a bendable material.
Claim 16
Dependent Claim
26 words
A muscular expansion bumper appliance according to claim 11, including means formed on said plate member to enhance adherence of said plastic to said plate member.
Claim 17
Dependent Claim
24 words
A muscular expansion bumper appliance according to claim 11, wherein said means to enhance adherence comprises at least one aperture through said plate member.
Claim 18
Dependent Claim
28 words
A muscular expansion bumper appliance according to claim 11, including means formed on said plate member to enhance securement of said plate member to said wire form member.
Claim 19
Dependent Claim
29 words
A muscular expansion bumper appliance according to claim 16, wherein said means to enhance securement comprises a channel formed in said plate member to receive said wire form member.
Claim 20
Dependent Claim
52 words
A muscular expansion bumper appliance according to claim 17, wherein said wire form member has a serpentine configuration in the region of its securement to said plate member and said channel has a corresponding serpentine configuration such that said wire form member is prevented from moving axially relative to said plate member.
References Cited (Backward Citations)
US4330272A
Cited
US4637796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-11-20 | 1993-05-22 | 1993-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-20 | 1997-05-22 | 1997-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-20 | 2001-05-22 | 2001-11-21 | $7700.00 | Window Closed / Lapsed |