US3175306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-leaf teaching aid for globe instruction
Assignee: SAINT CLARA COLLEGE
•
Filing: 1963-11-29
•
Granted: 1965-03-30
•
Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Veronica Sister Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:23
CPC Classifications
G; G09; G09B; G09B27/00; G09B27/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US399324A
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US600234A
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US1709041A
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US1711070A
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US1774721A
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US2010839A
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US2389511A
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US2706352A
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US2819546A
Cited
US3091482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |