US2439883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article traying machine
Assignee: General Electric Co
•
Filing: 1943-02-22
•
Granted: 1948-04-20
•
Expires: 1963-02-22
Abstract
No abstract record available.
Inventors
- 👤 Carl A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:06
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/74; B65G47/84; B65G47/846
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US424771A
Cited
US1185329A
Cited
US1512703A
Cited
US1667955A
Cited
US1609994A
Cited
US1709189A
Cited
US1881961A
Cited
US2332791A
Cited
US2362517A
Cited
US2346421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |