US3182425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for surfaceblasting with abrasive
Assignee: Individual
•
Filing: 1962-10-08
•
Granted: 1965-05-11
•
Expires: 1982-10-08
Abstract
No abstract record available.
Inventors
- 👤 John B Goss
- 👤 Robert H E Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:45
CPC Classifications
B; B24; B24C; B24C7/00; B24C7/0046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN APPARATUS FOR USE IN BLASTING WITH AN ABRASIVE COMPRISING: (A) A PRESSURIZABLE FLEXIBLE BAG HAVING FLEXIBLE WALLS FORMING THE BODY THEREOF AND BEING OF SUFFICIENT STRENGTH TO WITHSTAND PRESSURES ABOVE ATMOSPHERIC PRESSURE, (B) MEANS FOR OPENING SAID BAG FOR INTRODUCING ABRASIVE MATERIAL INTO SAID BAG AND FOR SUBSEQUENTLY DISCHARGING SAME THEREFROM, (C) MEANS FOR CLOSING SAID BAG AFTER THE INSERTION OF THE MATERIAL INTO THE BAG, AND (D) MEANS FOR INTRODUCING FLUID UNDER PRESSURE INTO SAID BAG FOR FEEDING THE MATERIAL THEREFROM UNDER PRESSURE.
Claim 2
Independent Claim
85 words
AN APPARATUS FOR USE IN BLASTING WITH AN ABRASIVE COMPRISING: (A) A PRESSURIZABLE FLEXIBLE BAG HAVING FLEXIBLE WALLS FORMING THE BODY THEREOF AND BEING OF SUFFICIENT STRENGTH TO WITHSTAND PRESSURES ABOVE ATMOSPHERIC PRESSURE, (B) MEANS FOR OPENING SAID BAG FOR INTRODUCING ABRASIVE MATERIAL INTO SAID BAG AND FOR SUBSEQUENTLY DISCHARGING SAME THEREFROM, (C) MEANS FOR CLOSING SAID BAG AFTER THE INSERTION OF THE MATERIAL INTO THE BAG, AND (D) MEANS FOR INTRODUCING FLUID UNDER PRESSURE INTO SAID BAG FOR FEEDING THE MATERIAL THEREFROM UNDER PRESSURE.
References Cited (Backward Citations)
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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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |