Patent US2661090A successfully refreshed from Google Patents.
US2661090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sorting machine
Assignee: Individual
•
Filing: 1948-09-28
•
Granted: 1953-12-01
•
Expires: 1968-09-28
Abstract
No abstract record available.
Inventors
- 👤 Burton R Garrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:20
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; Y; Y10; Y10S; Y10S209/00; Y10S209/91; Y10S209/924
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US613574A
Cited
US1495494A
Cited
US1536887A
Cited
US1651622A
Cited
US1853176A
Cited
US1882130A
Cited
US2080717A
Cited
US2062946A
Cited
US2343042A
Cited
US2428774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |