US2606658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Egg grading machine comprising pneumatic lifting means supported by scale balance arms
Assignee: CHESTNUT FARMS CHEVY CHASE DAI
•
Filing: 1949-03-24
•
Granted: 1952-08-12
•
Expires: 1969-03-24
Abstract
No abstract record available.
Inventors
- 👤 Charles K Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:18
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/16; B07C5/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE15218E
Cited
US1984031A
Cited
US2138475A
Cited
US2217983A
Cited
US2296645A
Cited
US2436534A
Cited
US2451836A
Cited
US2471479A
Cited
US2406311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |