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US3193975A Expired / Lapsed US ⏱️ 0.0 years remaining

Spot blast apparatus

Assignee: Individual
•
Filing: 1961-05-01
•
Granted: 1965-07-13
•
Expires: 1981-05-01
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Abstract

No abstract record available.

Inventors

  • 👤 Robert G Millhiser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 00:19
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/32

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 88 words
A JIG FOR USE IN SURFACE TREATMENT OF MANUFACTURED PARTS BY LIQUID BLASTING WHICH COMPRISES A FRAME ADAPTED TO FIT AROUND SAID PART, FINGERS SECURED TO AND EXTENDING INWARDLY FROM SAID FRAME ADAPTED TO BE SECURED TO SAID PART TO HOLD SAID FRAME IN FIXED PRECISE RELATION THERETO, AND BLAST GUIDES ON SAID FRAME HAVING AN OPEN CYLINDRICAL INLET TUBE PORTION AND A CONICAL FUNNEL OUTLET PORTION FOR GATHERING AT LEAST A PORTION OF A BLAST AND DIRECTING IT THROUGH THE FUNNEL PORTION IN A CONCENTRATED BLAST, SAID
Claim 2
Dependent Claim 88 words
A JIG FOR USE IN SURFACE TREATMENT OF MANUFACTURED PARTS BY LIQUID BLASTING WHICH COMPRISES A FRAME ADAPTED TO FIT AROUND SAID PART, FINGERS SECURED TO AND EXTENDING INWARDLY FROM SAID FRAME ADAPTED TO BE SECURED TO SAID PART TO HOLD SAID FRAME IN FIXED PRECISE RELATION THERETO, AND BLAST GUIDES ON SAID FRAME HAVING AN OPEN CYLINDRICAL INLET TUBE PORTION AND A CONICAL FUNNEL OUTLET PORTION FOR GATHERING AT LEAST A PORTION OF A BLAST AND DIRECTING IT THROUGH THE FUNNEL PORTION IN A CONCENTRATED BLAST, SAID

References Cited (Backward Citations)

US993743A Cited
US1702203A Cited
US2007844A Cited
US2138520A Cited
US2462480A Cited
US2458825A Cited
US2505422A Cited
US2608800A Cited
DE961061C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-12 1969-01-11 1969-07-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-12 1973-01-11 1973-07-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-12 1977-01-11 1977-07-13 $7700.00 Window Closed / Lapsed

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