Patent US2242228A successfully refreshed from Google Patents.
Patent US3193975A successfully refreshed from Google Patents.
US3193975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot blast apparatus
Assignee: Individual
•
Filing: 1961-05-01
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Granted: 1965-07-13
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Robert G Millhiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:16
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
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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 |