Patent US2731319A successfully refreshed from Google Patents.
US2731319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utility bin
Assignee: Individual
•
Filing: 1953-04-27
•
Granted: 1956-01-17
•
Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Irvin W Jacobs
- 👤 Joseph W Sims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:12
CPC Classifications
A; A47; A47B; A47B77/00; A47B77/04; A47B77/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US260739A
Cited
US447532A
Cited
US509479A
Cited
US812343A
Cited
US892830A
Cited
US1156294A
Cited
US1264258A
Cited
US1327489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |