US3402929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancing game apparatus
Assignee: Glass Marvin and Associates
•
Filing: 1965-03-16
•
Granted: 1968-09-24
•
Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 Marvin I Glass
- 👤 Burton C Meyer
- 👤 Norman T Mcfarland
- 👤 Stan Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:48
CPC Classifications
A; A63; A63H; A63H15/00; A63H15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US476825A
Cited
US1974737A
Cited
US2244553A
Cited
US2458306A
Cited
FR1122375A
Cited
US3195266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |