Patent US3285131A successfully refreshed from Google Patents.
US3285131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power tool
Assignee: Olin Corp
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Filing: 1965-03-31
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Granted: 1966-11-15
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Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 Lewis Oliver Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:11
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A TOOL POWERED BY A CARTRIDGE HAVING A RIM PORTION AND A BODY PORTION OF REDUCED DIAMETER, SAID TOOL INCLUDING A BREECH MEMBER AND A BARREL, SAID BARREL AND SAID BREECH MEMBER BEING MOVABLE FROM A FIRING POSITION WHEREIN A PORTION OF SAID BREECH MEMBER IS ENGAGED WITH THE BARREL TO A LOADING POSITION WHEREIN THE BREECH MEMBER AND THE BARREL ARE DISENGAGED, A CHAMBER IN SAID BREECH MEMBER OPEN AT AN END EXTENDING TOWARD SAID BARREL, SAID CHAMBER HAVING A DIAMETER SUBSTANTIALLY EQUAL TO THE DIAMETER OF SAID RIM TO RECEIVE SAID CARTRIDGE RIM FIRST, CARTRIDGE SUPPORTING MEANS MOVABLY MOUNTED IN SAID BREECH MEMBER, SAID CARTRIDGE SUPPORTING MEANS BEING ENGAGEABLE WITH SAID BODY PORTION AND SAID BARREL IN SAID FIRING POSITION TO SUPPORT SAID CARTRIDGE ALIGNED IN SAID CHAMBER, SAID CARTRIDGE SUPPORTING MEANS BEING MOVABLE OUT OF ENGAGEMENT WITH SAID CARTRIDGE IN SAID LOADING POSITION TO ALLOW THE CARTRIDGE RIM TO MOVE PAST THE SUPPORTING MEANS.
Claim 2
Dependent Claim
158 words
IN A TOOL POWERED BY A CARTRIDGE HAVING A RIM PORTION AND A BODY PORTION OF REDUCED DIAMETER, SAID TOOL INCLUDING A BREECH MEMBER AND A BARREL, SAID BARREL AND SAID BREECH MEMBER BEING MOVABLE FROM A FIRING POSITION WHEREIN A PORTION OF SAID BREECH MEMBER IS ENGAGED WITH THE BARREL TO A LOADING POSITION WHEREIN THE BREECH MEMBER AND THE BARREL ARE DISENGAGED, A CHAMBER IN SAID BREECH MEMBER OPEN AT AN END EXTENDING TOWARD SAID BARREL, SAID CHAMBER HAVING A DIAMETER SUBSTANTIALLY EQUAL TO THE DIAMETER OF SAID RIM TO RECEIVE SAID CARTRIDGE RIM FIRST, CARTRIDGE SUPPORTING MEANS MOVABLY MOUNTED IN SAID BREECH MEMBER, SAID CARTRIDGE SUPPORTING MEANS BEING ENGAGEABLE WITH SAID BODY PORTION AND SAID BARREL IN SAID FIRING POSITION TO SUPPORT SAID CARTRIDGE ALIGNED IN SAID CHAMBER, SAID CARTRIDGE SUPPORTING MEANS BEING MOVABLE OUT OF ENGAGEMENT WITH SAID CARTRIDGE IN SAID LOADING POSITION TO ALLOW THE CARTRIDGE RIM TO MOVE PAST THE SUPPORTING MEANS.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |