US3190189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener driving apparatus
Assignee: Duo Fast Corp
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Filing: 1963-10-03
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Granted: 1965-06-22
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Expires: 1983-10-03
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Mosetich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:18
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/008; B25C1/04; B25C1/044
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
A FASTENER DRIVING TOOL FOR USE WITH A PRESSURIZED FLUID SOURCE COMPRISING A HOUSING HAVING A HOLLOW HANDLE FORMING A FLUID RESERVIOR AND A HEAD PORTION WITH A CYLINDER HAVING AN END OPEN TO THE FLUID IN THE RESERVOIR, MAIN VALVE MEANS NORMALLY CLOSING THE OPEN END OF THE CYLINDER, PISTON MEANS SLIDABLY MOUNTED IN THE CYLINDER, MEANS FOR SELECTIVELY SEPARATING THE MAIN VALVE AND THE CYLINDER TO ADMIT FLUID FROM THE RESERVOIR TO THE CYLINDER TO DIRVE THE PISTON FROM A NORMAL POSITION ADJACENT THE MAIN VALVE TO A DISPLACED POSITION, FLUID MEANS FOR RETURNING THE PISTON TO ITS NORMAL POSITION, AND CONTROL MEANS FOR DELAYING THE ADMISSION OF FLUID TO THE RESERVOIR UNTIL THE FLUID MEANS RETURNS THE PISTON TO ITS NORMAL POSITION.
References Cited (Backward Citations)
DE279767C
Cited
US1593606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |