US5305490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush with firm grip handle
Assignee: Individual
•
Filing: 1993-04-19
•
Granted: 1994-04-26
•
Expires: 2013-04-19
Abstract
Abstract The disclosure relates to a light weight monolithically fabricated toothbrush affording a person with inadequate hand strength greatly improved gripping and control characteristics by utilizing an enlarged lightweight tubular handle with an anti slip gripping surface specifically designed to deter retention of bacteria forming moisture and excess toothpaste.
Inventors
- 👤 James F. Lundgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:50
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/02; A46B5/026; A46B2200/00; A46B2200/10; A46B2200/1066; Y; Y10; Y10S; Y10S16/00; Y10S16/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A toothbrush comprising: (a) an elongated tubular handle having a first closed end and a second open end, said handle being hollow between said first and second ends, said handle having an exterior gripping surface; (b) said gripping surface having means thereon for enhancing gripping thereof by a user; (c) a plug which engages and encloses the open end of the handle, a portion of which fits within the hollow handle; (d) a first curb extending outwardly from said plug and defining a peripheral edge which extends radially outward a greater distance than the exterior gripping surface of the handle; (e) a second curb at said closed end of said handle extending outwardly therefrom and defining a peripheral edge which extends radially outward a greater distance than the exterior gripping surface of the handle, said gripping surface being defined between said first and second curbs; (f) an elongated shaft having one end thereof extending from said closed end of said handle and having at a second opposite end a generally rectangular brush head having bristles projecting outwardly therefrom, said elongated shaft being generally aligned with the longitudinal axis of the handle; and (g) said handle and shaft being integrally fabricated to define a monolithic structure.
Claim 2
Dependent Claim
205 words
A toothbrush comprising: (a) an elongated tubular handle having a first closed end and a second open end, said handle being hollow between said first and second ends, said handle having an exterior gripping surface; (b) said gripping surface having means thereon for enhancing gripping thereof by a user; (c) a plug which engages and encloses the open end of the handle, a portion of which fits within the hollow handle; (d) a first curb extending outwardly from said plug and defining a peripheral edge which extends radially outward a greater distance than the exterior gripping surface of the handle; (e) a second curb at said closed end of said handle extending outwardly therefrom and defining a peripheral edge which extends radially outward a greater distance than the exterior gripping surface of the handle, said gripping surface being defined between said first and second curbs; (f) an elongated shaft having one end thereof extending from said closed end of said handle and having at a second opposite end a generally rectangular brush head having bristles projecting outwardly therefrom, said elongated shaft being generally aligned with the longitudinal axis of the handle; and (g) said handle and shaft being integrally fabricated to define a monolithic structure.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-04-25 | 1997-10-25 | 1998-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-04-25 | 2001-10-25 | 2002-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-04-25 | 2005-10-25 | 2006-04-26 | $7700.00 | Window Closed / Lapsed |