Patent US2500309A successfully refreshed from Google Patents.
US2500309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelf and divider assembly and spring clip anchoring means therefor
Assignee: Individual
•
Filing: 1946-03-23
•
Granted: 1950-03-14
•
Expires: 1966-03-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Dunham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:01
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/58
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US903769A
Cited
US943719A
Cited
US1013128A
Cited
US1416969A
Cited
US1748339A
Cited
US1711030A
Cited
US1712054A
Cited
US1747495A
Cited
US1758307A
Cited
US2074915A
Cited
GB488371A
Cited
US2287005A
Cited
US2321181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |