Patent US1896830A successfully refreshed from Google Patents.
US2644591A
Expired / Lapsed
US
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Shelving and partition support
Assignee: Individual
•
Filing: 1948-12-10
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Granted: 1953-07-07
•
Expires: 1968-12-10
Abstract
No abstract record available.
Inventors
- 👤 Mcmahan Roy Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:19
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/101; A47F5/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US392061A
Cited
US1446233A
Cited
GB190411818A
Cited
US945280A
Cited
US1219208A
Cited
US1371256A
Cited
US1685336A
Cited
US2013763A
Cited
US1830438A
Cited
FR731771A
Cited
US2086009A
Cited
US2044642A
Cited
US2230247A
Cited
US2368382A
Cited
US2453254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |