Patent US3201901A successfully refreshed from Google Patents.
US3201901A
Expired / Lapsed
US
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Abrasive blasting equipment
Assignee: Individual
•
Filing: 1963-09-30
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Granted: 1965-08-24
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Pauli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:11
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.
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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) | 1968-08-23 | 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 |