US2463464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid clarifying apparatus
Assignee: Chain Belt Co
•
Filing: 1945-10-01
•
Granted: 1949-03-01
•
Expires: 1965-10-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Lind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:21
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/04; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US272806A
Cited
US2058044A
Cited
US2168208A
Cited
US2065123A
Cited
US2141979A
Cited
US2308866A
Cited
US2387101A
Cited
US2388795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |