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US3201901A Expired / Lapsed US ⏱️ 0.0 years remaining

Abrasive blasting equipment

Assignee: Individual
•
Filing: 1963-09-30
•
Granted: 1965-08-24
•
Expires: 1983-09-30
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred M Pauli

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 03:05
CPC Classifications
B; B24; B24C; B24C7/00; B24C7/0046; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86686

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 160 words
ABRASIVE BLASTING EQUIPMENT COMPRISING A TANK HAVING AN AIR INLET AND SEPARATE ABRASIVE OUTLER LINE, A HIGH PRESSURE FEED LINE CONNECTED TO SAID AIR INLET AND TO SAID ABRASIVE OUTLET LINE, A FIRST VALVE CONTROLLING FLOW THROUGH SAID HIGH PRESSURE LINE, FLUID PRESSURE OPERATED MEANS FOR CONTROLLING SAID VALVE, A MANUALLY OPERABLE VALVE CONTROLLING FLUID FLOW TO SAID FLUID PRESSURE OPERATED MEANS, SAID MANUALLY OPERABLE VALVE HAVING FIRST, SECOND AND THIRD PORTS, SAID FIRST PORT BEING CONNECTED TO SAID HIGH PRESSURE LINE, SAID SECOND PORT BEING CONNECTED TO SAID FLUID PRESSURE OPERATED MEANS, SAID THIRD PORT BEING CONNECTED TO ATMOSPHERE, PORT CONTROLLING MEANS IN SAID VALVE, A HANDLE HAVING A DIRECT MECHANICAL ENGAGEMENT WITH SAID PORTCONTROLLING MEANS FOR MOVING SAID PORT-CONTROLLING MEANS TO CLOSE SAID THIRD PORT AND INTERCONNECT SAID FIRST AND SECOND PORTS, AND SAID PORT-CONTROLLING MEANS BEING NORMALLY BIASED TO CAUSE SAID SECOND AND THIRD PORTS TO BE CONNECTED TO EACH OTHER AND ISOLATED FROM SAID FIRST PORT.
Claim 2
Dependent Claim 160 words
ABRASIVE BLASTING EQUIPMENT COMPRISING A TANK HAVING AN AIR INLET AND SEPARATE ABRASIVE OUTLER LINE, A HIGH PRESSURE FEED LINE CONNECTED TO SAID AIR INLET AND TO SAID ABRASIVE OUTLET LINE, A FIRST VALVE CONTROLLING FLOW THROUGH SAID HIGH PRESSURE LINE, FLUID PRESSURE OPERATED MEANS FOR CONTROLLING SAID VALVE, A MANUALLY OPERABLE VALVE CONTROLLING FLUID FLOW TO SAID FLUID PRESSURE OPERATED MEANS, SAID MANUALLY OPERABLE VALVE HAVING FIRST, SECOND AND THIRD PORTS, SAID FIRST PORT BEING CONNECTED TO SAID HIGH PRESSURE LINE, SAID SECOND PORT BEING CONNECTED TO SAID FLUID PRESSURE OPERATED MEANS, SAID THIRD PORT BEING CONNECTED TO ATMOSPHERE, PORT CONTROLLING MEANS IN SAID VALVE, A HANDLE HAVING A DIRECT MECHANICAL ENGAGEMENT WITH SAID PORTCONTROLLING MEANS FOR MOVING SAID PORT-CONTROLLING MEANS TO CLOSE SAID THIRD PORT AND INTERCONNECT SAID FIRST AND SECOND PORTS, AND SAID PORT-CONTROLLING MEANS BEING NORMALLY BIASED TO CAUSE SAID SECOND AND THIRD PORTS TO BE CONNECTED TO EACH OTHER AND ISOLATED FROM SAID FIRST PORT.

References Cited (Backward Citations)

US1858475A Cited
US2580842A Cited
US2766558A Cited
US2938305A Cited
US2953875A Cited
US3070924A Cited
US3056236A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-23 1969-02-22 1969-08-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-23 1973-02-22 1973-08-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-23 1977-02-22 1977-08-24 $7700.00 Window Closed / Lapsed

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