Patent US2728482A successfully refreshed from Google Patents.
US2728482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partition devices for filing cabinets and the like
Assignee: Individual
•
Filing: 1952-07-18
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Granted: 1955-12-27
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Expires: 1972-07-18
Abstract
No abstract record available.
Inventors
- 👤 Driver George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:23
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/02; A; A47; A47B; A47B63/00; A47B63/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US121256A
Cited
US769915A
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GB190514053A
Cited
US996967A
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US1063628A
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US1158130A
Cited
US1486513A
Cited
US1789699A
Cited
US1815565A
Cited
US1944977A
Cited
US2188732A
Cited
US2268236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |