Patent US3704712A successfully refreshed from Google Patents.
US3228147A
Expired / Lapsed
US
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Nozzle assembly for abrasive blasting apparatus
Assignee: Pangborn Corp
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Filing: 1963-10-11
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Granted: 1966-01-11
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Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:25
CPC Classifications
B; B24; B24C; B24C5/00; B24C5/02; B24C5/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
A DIRECT PRESSURE PRESSURE NOZZLE ASSEMBLY COMPRISING A NOZZLE, A FLEXIBLE CONDUIT HAVING A LARGER INSIDE DIAMETER THAN THAT OF THE NOZZLE, A NOZZLE CONNECTION PIECE, SAID FLEXIBLE CONDUIT BEING INSERTED IN SAID NOZZLE CONNECTION PIECE, MEANS FOR SECURING THE CONNECTION PIECE TO SAID FLEXIBLE CONDUIT, SAID NOZZLE BEING CONNECTED TO SAID CONNECTION PIECE, AND A SEPARATE TRANSISTION PIECE SUPPORTED IN SAID NOZZLE ADJACENT THE OPENING OF THE FLEXIBLE WHICH BRIDGES THE LARGE INSIDE DIAMETER OF THE FLEXIBLE CONDUIT WITH THE SMALLER INSIDE DIAMETER OF THE NOZZLE, AND TRANSITION PIECE BEING FORMED OF A WEAR RESISTANT METAL WHICH RESISTS ABRADING ACTION OF THE ABRASIVE PASSING THROUGH THE CONDUIT AND NOZZLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |