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US2460169A
Expired / Lapsed
US
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Double-cut educational novelty
Assignee: Individual
•
Filing: 1946-04-17
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Granted: 1949-01-25
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Expires: 1966-04-17
Abstract
No abstract record available.
Inventors
- 👤 Fireng Louise Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:26
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US575731A
Cited
US969309A
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US1231059A
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US1419882A
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US1587354A
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US1668428A
Cited
US1997446A
Cited
US2191041A
Cited
US2293441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |