US2948531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Occupant propelled amusement device
Assignee: Individual
•
Filing: 1958-03-19
•
Granted: 1960-08-09
•
Expires: 1978-03-19
Abstract
No abstract record available.
Inventors
- 👤 Carmen L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:38
CPC Classifications
A; A63; A63G; A63G13/00; A63G13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE463933C
Cited
DE461282C
Cited
FR513829A
Cited
US1521133A
Cited
US1676015A
Cited
US1829266A
Cited
FR755759A
Cited
US2759730A
Cited
US2838022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |