US2468513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Library book truck
Assignee: Unisys Corp
•
Filing: 1945-04-26
•
Granted: 1949-04-26
•
Expires: 1965-04-26
Abstract
No abstract record available.
Inventors
- 👤 Rider Fremont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:38
CPC Classifications
A; A47; A47B; A47B65/00; A47B31/00; A47B63/00; A47B91/00; A47B91/06; B; B62; B62B; B62B3/00; B62B3/002; B62B3/005; A47B2031/003; B62B2202/00; B62B2202/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US212903A
Cited
US904755A
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US1348262A
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US1408187A
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US1617799A
Cited
US1716964A
Cited
US2067095A
Cited
US2111846A
Cited
US2346150A
Cited
US2319877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |