US3106042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic toy for simulating earthworking operations
Assignee: Individual
•
Filing: 1960-10-20
•
Granted: 1963-10-08
•
Expires: 1980-10-20
Abstract
No abstract record available.
Inventors
- 👤 Babe H Roethler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:05
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/26; G; G09; G09B; G09B25/00; G09B25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US546171A
Cited
FR1094712A
Cited
US1123066A
Cited
US2589601A
Cited
US2842896A
Cited
US2853830A
Cited
US2896367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |