US1925371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible shelf
Assignee: COPELAND PRODUCTS Inc
•
Filing: 1931-09-08
•
Granted: 1933-09-05
•
Expires: 1951-09-08
Abstract
No abstract record available.
Inventors
- 👤 Edward G Charter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:19
CPC Classifications
A; A47; A47B; A47B96/00; A47B96/02; A47B96/025; F; F25; F25D; F25D25/00; F25D25/02; F25D2325/00; F25D2325/021; F25D2325/023; F25D2331/00; F25D2331/80; F25D2331/803; F25D2500/00; F25D2500/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-09-04 | 1937-03-06 | 1937-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-04 | 1941-03-06 | 1941-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-04 | 1945-03-06 | 1945-09-05 | $7700.00 | Window Closed / Lapsed |