US3213607A
Expired / Lapsed
US
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Assignee: Omark Industries Inc
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Filing: 1963-07-03
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Granted: 1965-10-26
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Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Neumeier Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:39
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/06; B25D9/10; B25B; B25B27/00; B25B27/0085; B25C; B25C1/00; B25C1/08; F; F02; F02B; F02B71/00; F02B71/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN AN IMPACT TOOL, A CYLINDER, A PISTON RECIPROCABLE IN THE CYLINDER, A METER CHAMBER, A FUEL SUPPLY CHAMBER, A FIRING MECHANISM FOR IGNITING A FUEL-AIR MIXTURE IN THE CYLINDER, COCKING MEANS FOR COCKING THE FIRING MECHANISM, FIRST VALVE MEANS RESPONMSIVE TO ACTUATION OF THE COCKING MEANS FOR CONNECTING THE METERING CHAMBER TO THE FUEL SUPPLY CHAMBER, A TRIGGER, TRIGGER ACTUATED MEANS FOR ACTUATING THE FIRING MECHANISM, AN SECOND VALVE MEANS ACTUATED BY THE RIGGER ACTUATED MEANS FOR CONNECTING THE METERING CHAMBER TO THE CYLINDER.
Claim 2
Dependent Claim
85 words
IN AN IMPACT TOOL, A CYLINDER, A PISTON RECIPROCABLE IN THE CYLINDER, A METER CHAMBER, A FUEL SUPPLY CHAMBER, A FIRING MECHANISM FOR IGNITING A FUEL-AIR MIXTURE IN THE CYLINDER, COCKING MEANS FOR COCKING THE FIRING MECHANISM, FIRST VALVE MEANS RESPONMSIVE TO ACTUATION OF THE COCKING MEANS FOR CONNECTING THE METERING CHAMBER TO THE FUEL SUPPLY CHAMBER, A TRIGGER, TRIGGER ACTUATED MEANS FOR ACTUATING THE FIRING MECHANISM, AN SECOND VALVE MEANS ACTUATED BY THE RIGGER ACTUATED MEANS FOR CONNECTING THE METERING CHAMBER TO THE CYLINDER.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |