← Back to Patent Explorer
US3391062A Expired / Lapsed US ⏱️ 0.0 years remaining

Recirculating multistage flash evaporator apparatus and method

Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1965-04-21
•
Granted: 1968-07-02
•
Expires: 1985-04-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert A Tidball

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 12:39
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/06; B01D3/065; Y; Y10; Y10S; Y10S203/00; Y10S203/18; Y10S203/21

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US2921004A Cited
US2759882A Cited
US2979443A Cited
US2893926A Cited
US3119752A Cited
US3219552A Cited
US3165452A Cited
US3146177A Cited
US3152053A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-07-02 1972-01-01 1972-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-07-02 1976-01-01 1976-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-07-02 1980-01-01 1980-07-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag