Patent US3478446A successfully refreshed from Google Patents.
US3478446A
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US
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Educational and recreational lesson aid pixx games with pegboards
Assignee: LULU A MCCUTCHEON
•
Filing: 1967-04-28
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Granted: 1969-11-18
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Expires: 1987-04-28
Abstract
No abstract record available.
Inventors
- 👤 Lulu A Mccutcheon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:15
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/04; A63F3/0423; G; G09; G09B; G09B1/00; G09B1/02; G09B1/04; G09B1/06; G09B1/10
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |