Patent US2609965A successfully refreshed from Google Patents.
US2609965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic control for gravimetric feeders
Assignee: Syntron Co
•
Filing: 1949-11-30
•
Granted: 1952-09-09
•
Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 Kast George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
G; G01; G01G; G01G7/00; G01G7/02; G01G13/00; G01G13/24; G01G13/28; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/913; Y10S388/923; Y10S388/93
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2276383A
Cited
US2366415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |