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US3133591A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for forming and/or augmenting an energy wave

Assignee: N A HARDIN
•
Filing: 1954-05-20
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Granted: 1964-05-19
•
Expires: 1974-05-20
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Abstract

No abstract record available.

Inventors

  • 👤 Clarence W Brandon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 08:34
CPC Classifications
F; F28; F28F; F28F27/00; F28F27/02; B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; E; E21; E21B; E21B43/00; E21B43/003; E21B43/16; E21B43/24; E21B43/2401; F03; F03G; F03G7/00; F03G7/002; F17; F17D; F17D1/00; F17D1/08; F17D1/16; F17D1/18; F25; F25B; F25B9/00; F25B9/14; F25B9/145; F28F13/00; F28F13/06; F28F13/10; F02; F02G; F02G2243/00; F02G2243/30; F02G2243/50; F02G2243/52; F25B2309/00; F25B2309/14; F25B2309/1403; F28D; F28D15/00; F28D7/00; F28D7/16; F28D7/1615; Y; Y10; Y10S; Y10S116/00; Y10S116/22

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 57 words
THE PROCESS OF APPLYING ENERGY TO A FORMATION, COMPRISING; PLACING A HEAT EXCHANGER IN HEAT EXCHANGE RELATION WITH A FORMATION THROUGH A FLUID MEDIUM, APPLYING PRESSURE TO SAID FORMATION THROUGH SAID FLUID MEDIUM, PRODUCING PULSATIONS IN THE PRESSURE APPLIED TO THE MEDIUM, CAUSING INTERMITTENT OPERATION OF THE HEAT EXCHANGER IN A FIXED TIME RELATION TO THE PULSATIONS.

References Cited (Backward Citations)

USRE23381E Cited
US2344754A Cited
US2581902A Cited
US2549464A Cited
US2667932A Cited
US2670801A Cited
US2796129A Cited
US2866509A Cited
US2836033A Cited
US2796735A 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

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