US2635735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying and unloading device
Assignee: Barber Greene Co
•
Filing: 1948-09-14
•
Granted: 1953-04-21
•
Expires: 1968-09-14
Abstract
No abstract record available.
Inventors
- 👤 Paul A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:19
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/02; B65G2201/00; B65G2201/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US675000A
Cited
US1095876A
Cited
US1422002A
Cited
US1401366A
Cited
US1786665A
Cited
US1640825A
Cited
US1779720A
Cited
US1809200A
Cited
US1989502A
Cited
US1955536A
Cited
US2072009A
Cited
US2263458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |