Patent US2130643A successfully refreshed from Google Patents.
US2130643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating lactic fluids
Assignee: SEALTEST SYSTEM LAB Inc
•
Filing: 1935-03-26
•
Granted: 1938-09-20
•
Expires: 1955-03-26
Abstract
No abstract record available.
Inventors
- 👤 Bernard W Hammer
- 👤 Herman C Horneman
- 👤 Milton E Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:52
CPC Classifications
A; A23; A23B; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/133; A23B11/137; A01; A01J; A01J11/00; A01J11/04; A01J9/00; A01J9/04; Y; Y10; Y10S; Y10S99/00; Y10S99/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-09-19 | 1942-03-21 | 1942-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-19 | 1946-03-21 | 1946-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-19 | 1950-03-21 | 1950-09-20 | $7700.00 | Window Closed / Lapsed |