Patent US3133877A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3133877A Expired / Lapsed US ⏱️ 0.0 years remaining

Methods and apparatus for chlorination

Assignee: Individual
•
Filing: 1958-01-20
•
Granted: 1964-05-19
•
Expires: 1978-01-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Richard A Mixer
  • 👤 Girand James

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 11:23
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/763; B; B01; B01F; B01F23/00; B01F23/40; B01F23/45; B01F23/451; B01F23/48; B01F23/481; B01F25/00; B01F25/30; B01F25/31; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 83 words
A METHOD OF INJECTING LIQUIFIED GAS INTO A LIQUID TO BE TREATED COMPRISING THE STEPS OF SUPPLYING LIQUID GAS AT A PRESSURE SUFFICIENT TO MAINTAIN THE GAS IN THE LIQUID STATE, METERING A PORTION OF SAID LIQUID GAS TO BE ADDED TO THE LIQUID BEING TREATED, RAISING THE PRESSURE OF SAID METERED LIQUID GAS TO A LEVEL ABOVE THE PRESSURE OF BOTH OF THE SUPPLIED LIQUID GAS AND THE LIQUID TO BE TREATED, AND INJECTING THE LIQUID GAS INTO THE LIQUID BEING TREATED.
Claim 2
Independent Claim 83 words
A METHOD OF INJECTING LIQUIFIED GAS INTO A LIQUID TO BE TREATED COMPRISING THE STEPS OF SUPPLYING LIQUID GAS AT A PRESSURE SUFFICIENT TO MAINTAIN THE GAS IN THE LIQUID STATE, METERING A PORTION OF SAID LIQUID GAS TO BE ADDED TO THE LIQUID BEING TREATED, RAISING THE PRESSURE OF SAID METERED LIQUID GAS TO A LEVEL ABOVE THE PRESSURE OF BOTH OF THE SUPPLIED LIQUID GAS AND THE LIQUID TO BE TREATED, AND INJECTING THE LIQUID GAS INTO THE LIQUID BEING TREATED.

References Cited (Backward Citations)

US1007647A Cited
US1142361A Cited
US1609757A Cited
US1962571A Cited
US2272818A Cited
US2606150A Cited
US2678541A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-19 1967-11-18 1968-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-19 1971-11-18 1972-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-19 1975-11-18 1976-05-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag