Patent US2986405A successfully refreshed from Google Patents.
US2986405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheeled toy propulsion mechanism employing driver's weight
Assignee: Individual
•
Filing: 1959-09-04
•
Granted: 1961-05-30
•
Expires: 1979-09-04
Abstract
No abstract record available.
Inventors
- 👤 William P Spratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:20
CPC Classifications
B; B62; B62M; B62M1/00; B62M1/18; A; A63; A63G; A63G19/00; A63G19/08; A63G19/10; B62K; B62K9/00; B62K9/02; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1556
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |