US2945594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Ideal School Supply Corp
•
Filing: 1958-07-30
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Granted: 1960-07-19
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Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Parker Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:27
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10; B; B42; B42F; B42F13/00; B42F13/02; B42F13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1711070A
Cited
US2269495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |