US2670087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sorting apparatus
Assignee: Automatic Electric Laboratories Inc
•
Filing: 1948-08-04
•
Granted: 1954-02-23
•
Expires: 1968-08-04
Abstract
No abstract record available.
Inventors
- 👤 Stehlik Rudolph Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:03
CPC Classifications
B; B07; B07C; B07C3/00; B07C3/02; B07C3/06; B07C3/065
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1442126A
Cited
US1453125A
Cited
US1246358A
Cited
US1278523A
Cited
US1375241A
Cited
GB241598A
Cited
US1774447A
Cited
US1832517A
Cited
US2046935A
Cited
US2010130A
Cited
US2194381A
Cited
US2328317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |