US1379095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous thickening process
Assignee: —
•
Filing: —
•
Granted: 1921-05-24
•
Expires: 1938-05-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:20
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/24; B01D21/2444; B01D21/0012; B01D21/02; B01D21/04; B01D21/06; B01D21/2427; B01D33/00; B01D33/06; B01D33/073; B01D33/29; B01D33/31; B01D33/35; B01D33/37; B01D33/44; B01D33/48; B01D33/80; B01D33/82; B01D2201/00; B01D2201/28; B01D2201/287
Claims Analysis
Total Claims: 0
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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) | 1924-05-23 | 1924-11-22 | 1925-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-05-23 | 1928-11-22 | 1929-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-05-23 | 1932-11-22 | 1933-05-24 | $7700.00 | Window Closed / Lapsed |