US3256642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater sandblasting gun
Assignee: Individual
•
Filing: 1963-11-07
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Granted: 1966-06-21
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Expires: 1983-11-07
Abstract
No abstract record available.
Inventors
- 👤 Rocco P Fonti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:34
CPC Classifications
B; B63; B63B; B63B59/00; B63B59/06; B63B59/08; B24; B24C; B24C5/00; B24C5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
AN UNDERWATER SANDBLASTING GUN COMPRISING A TUBULAR HOUSING FORMED WITH A RELATIVELY LARGE DISCHARGE OPENING AT ONE END AND CLOSED AT THE OTHER END, A NOZZLE MOUNTED CENTRALLY WITHIN SAID HOUSING AND FORMED WITH A RELATIVELY SMALL DISCHARGE OPENING RECESSED FROM AND DIRECTED TOWARDS THE OPEN DISCHARGE END OF SAID HOUSING, FIRST CONDUIT MEANS CONNECTED TO SAID NOZZLE FOR DELIVERING A MIXTURE OF SAND AND COMPRESSED AIR THROUGH SAID NOZZLE FOR DESECOND CONDUIT MEANS CONNECTED TO SAID HOUSING FOR DELIVERING A FLOW OF COMPRESSED AIR INTO SAID HOUSING.
Claim 2
Dependent Claim
88 words
AN UNDERWATER SANDBLASTING GUN COMPRISING A TUBULAR HOUSING FORMED WITH A RELATIVELY LARGE DISCHARGE OPENING AT ONE END AND CLOSED AT THE OTHER END, A NOZZLE MOUNTED CENTRALLY WITHIN SAID HOUSING AND FORMED WITH A RELATIVELY SMALL DISCHARGE OPENING RECESSED FROM AND DIRECTED TOWARDS THE OPEN DISCHARGE END OF SAID HOUSING, FIRST CONDUIT MEANS CONNECTED TO SAID NOZZLE FOR DELIVERING A MIXTURE OF SAND AND COMPRESSED AIR THROUGH SAID NOZZLE FOR DESECOND CONDUIT MEANS CONNECTED TO SAID HOUSING FOR DELIVERING A FLOW OF COMPRESSED AIR INTO SAID HOUSING.
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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |