US3475019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilting-platform playground toy
Assignee: JAMES F MUTTER
•
Filing: 1967-02-02
•
Granted: 1969-10-28
•
Expires: 1987-02-02
Abstract
No abstract record available.
Inventors
- 👤 James F Mutter
- 👤 William S Betts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:22
CPC Classifications
A; A63; A63G; A63G31/00; A63G31/02; A63G31/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735679A
Cited
US1020367A
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US2085161A
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US2467338A
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US2746754A
Cited
US2978243A
Cited
US3365194A
Cited
US3379438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |