US3269746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancing and exercising device
Assignee: Individual
•
Filing: 1964-10-07
•
Granted: 1966-08-30
•
Expires: 1984-10-07
Abstract
No abstract record available.
Inventors
- 👤 Ruth A Jonker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:12
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/0004; A63B22/00; A63B22/18; A63B22/0025; A63B2022/0033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A BALANCING BOARD OF THE CLASS DESCRIBED, COMPRISING A FLAT BOARD TO THE UNDERSIDE OF WHICH IS SECURED THE TOP PLATE OF A CASTER TYPE OF WHEEL THAT HAS A BEVELED PERIPHERY, THE SAID WHEEL SUPPORTING THE SAID FLAT BOARD BY MEANS OF A Z-SHAPED MEMBER HAVING AN ANGULARLY DISPOSED AXLE EXTENDING THROUGH THE CENTER OF THE SAID WHEEL AND A VERTICAL PORTION SWIVELABLY MOUNTED THROUGH THE CENTER OF A VERTICAL MEMBER THAT IS INTEGRAL WITH THE CENTER OF THE SAID TOP PLATE.
Claim 2
Dependent Claim
83 words
A BALANCING BOARD OF THE CLASS DESCRIBED, COMPRISING A FLAT BOARD TO THE UNDERSIDE OF WHICH IS SECURED THE TOP PLATE OF A CASTER TYPE OF WHEEL THAT HAS A BEVELED PERIPHERY, THE SAID WHEEL SUPPORTING THE SAID FLAT BOARD BY MEANS OF A Z-SHAPED MEMBER HAVING AN ANGULARLY DISPOSED AXLE EXTENDING THROUGH THE CENTER OF THE SAID WHEEL AND A VERTICAL PORTION SWIVELABLY MOUNTED THROUGH THE CENTER OF A VERTICAL MEMBER THAT IS INTEGRAL WITH THE CENTER OF THE SAID TOP PLATE.
References Cited (Backward Citations)
US1600075A
Cited
US2332089A
Cited
US2351293A
Cited
DE842462C
Cited
US2764411A
Cited
US2829891A
Cited
US3024021A
Cited
US3107926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |