Patent US4063909A successfully refreshed from Google Patents.
Patent US3842453A successfully refreshed from Google Patents.
US3842453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Posture pillow
Assignee: Individual
•
Filing: 1972-08-15
•
Granted: 1974-10-22
•
Expires: 1992-08-15
Abstract
Abstract A pillow for exercise and therapy in posture maintainance and correction having a core of rigid material axially enlarged midway its opposing terminals, and having a flexible material around the core and a cylindrical cover of flexible material.
Inventors
- 👤 N Redfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:41
CPC Classifications
A; A61; A61H; A61H1/00; A47; A47G; A47G9/00; A47G9/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
79 words
In a posture pillow, a cover of fabric formed into a cylinder and having therein a core of rigid material, said core being diametrically enlarged at a point between its opposing termainals, and adapted to bear on the spine of the user at said point and being sharply reduced in diameter on each side of the transverse axis to conform to the contour of the shoulder blades of the user and a filling of flexible material surrounding said core.
Claim 2
Dependent Claim
79 words
In a posture pillow, a cover of fabric formed into a cylinder and having therein a core of rigid material, said core being diametrically enlarged at a point between its opposing termainals, and adapted to bear on the spine of the user at said point and being sharply reduced in diameter on each side of the transverse axis to conform to the contour of the shoulder blades of the user and a filling of flexible material surrounding said core.
Claim 3
Dependent Claim
14 words
The device defined in claim 1 wherein said core is formed of hard rubber.
Claim 4
Dependent Claim
17 words
The device defined in claim 1 wherein flexible material surrounding said core consists of a rubber foam.
Claim 5
Dependent Claim
40 words
The device defined in claim 1 wherein said core has an elongated axes on each side of the enlarged portion, and the enlarged portion of said core tapers longitudinally from a point midway the terminals thereof to the elongated axes.
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) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |