Patent US2212288A successfully refreshed from Google Patents.
US2212288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerative steam and water mixing device
Assignee: Lathrop Paulson Co
•
Filing: 1938-10-15
•
Granted: 1940-08-20
•
Expires: 1958-10-15
Abstract
No abstract record available.
Inventors
- 👤 Harry H Decker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:58
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/006; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/237; B01F23/2376; B01F23/23767; B01F25/00; B01F25/30; B01F25/31; B01F25/312; B01F25/3121; B01F25/3124; B01F25/31242; B01F25/50; Y; Y10; Y10S; Y10S261/00; Y10S261/13
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) | 1943-08-20 | 1944-02-19 | 1944-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-20 | 1948-02-19 | 1948-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-20 | 1952-02-19 | 1952-08-20 | $7700.00 | Window Closed / Lapsed |