Patent US3204400A successfully refreshed from Google Patents.
US3204400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosively-actuated stud-driving tool
Assignee: United Shoe Machinery Corp
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Filing: 1963-11-26
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Granted: 1965-09-07
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Robert C Kvavle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:05
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/14; B25C1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
IN AN EXPOSIVELY-ACTUATED TOOL OF THE CHARACTER DESCRIBED INCLUDING A GUN BARREL, A PISTON IN THE BORE OF THE GUN BARREL AND A CARTRIDGE APERTURE IN THE REAR WALL OF THE GUN BARREL, AN EXHAUST PORT IN THE SIDE WALL OF THE GUN BARREL NEAR THE REAR WALL OF SAID GUN BARREL, THE OUTER PERIPHERAL WALL SURFACE OF SAID GUN BARREL HAVING A REDUCED DIAMETER PORTION AT THE LOCATION OF SAID EXHAUST PORT, MEANS ADJUSTABLY MOUNTED ON SAID REDUCED DIAMETER PORTION OF SAID GUN BARREL FOR CONTROLLING THE OUTLET OF SAID EXHAUST PORT, WHEREBY THE OPENING OF THE OUTLET OF SAID EXHAUST PORT PRIOR TO THE FIRING OF THE TOOL WILL REDUCE THE IMPACT DELIVERED FROM SAID PISTON AND THEREBY REDUCE THE TENDENCY FOR THE TOOL TO BE OVERDRIVEN WHEN USED ON SOFTER SURFACES, AND A HOUSING FOR SAID GUN BARREL, SAID GUN BARREL AND SAID MEANS SLIDABLY MOUNTED IN SAID HOUSING, SAID HOUSING HAVING AN OPEN PORTION PERMITTING ACCESS TO SAID MEANS WHEN SAID GUN BARREL IS IN FIRING POSITION.
Claim 2
Dependent Claim
171 words
IN AN EXPOSIVELY-ACTUATED TOOL OF THE CHARACTER DESCRIBED INCLUDING A GUN BARREL, A PISTON IN THE BORE OF THE GUN BARREL AND A CARTRIDGE APERTURE IN THE REAR WALL OF THE GUN BARREL, AN EXHAUST PORT IN THE SIDE WALL OF THE GUN BARREL NEAR THE REAR WALL OF SAID GUN BARREL, THE OUTER PERIPHERAL WALL SURFACE OF SAID GUN BARREL HAVING A REDUCED DIAMETER PORTION AT THE LOCATION OF SAID EXHAUST PORT, MEANS ADJUSTABLY MOUNTED ON SAID REDUCED DIAMETER PORTION OF SAID GUN BARREL FOR CONTROLLING THE OUTLET OF SAID EXHAUST PORT, WHEREBY THE OPENING OF THE OUTLET OF SAID EXHAUST PORT PRIOR TO THE FIRING OF THE TOOL WILL REDUCE THE IMPACT DELIVERED FROM SAID PISTON AND THEREBY REDUCE THE TENDENCY FOR THE TOOL TO BE OVERDRIVEN WHEN USED ON SOFTER SURFACES, AND A HOUSING FOR SAID GUN BARREL, SAID GUN BARREL AND SAID MEANS SLIDABLY MOUNTED IN SAID HOUSING, SAID HOUSING HAVING AN OPEN PORTION PERMITTING ACCESS TO SAID MEANS WHEN SAID GUN BARREL IS IN FIRING POSITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |