Patent US1343618A successfully refreshed from Google Patents.
Patent US3200692A successfully refreshed from Google Patents.
US3200692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchoring device
Assignee: Remington Arms Co LLC
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Filing: 1963-07-30
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Granted: 1965-08-17
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Robert T Catlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:57
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/08; F16B13/0858
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A MASONRY EXPANSION ANCHOR COMPRISING A TUBULAR BODY MEMBER HAVING EXPANSION MEANS AT ONE END AND SECURING MEANS AT THE OPPOSITE END THEREOF, CUTTING MEANS FUSED TO THE END HAVING SAID EXPANSION MEANS, SAID CUTTING MEANS BEING A LAYER OF NODULAR TUNGSTEN CARBIDE PARTICLES NO SMALL THAN .020 INCH AND NO LARGER THAN .080 INCH IN SIZE ARRANGED SO AS TO COVER THE END AND THE INNER AND OUTER SIDE WALLS OF SAID BODY ADJACENT SAID END PROVIDING A CUTTING SURFACE HAVING A GREATER INNER AND OUTER DIAMETER THAN SAID BODY, WHEREBY SAID ANCHOR PERFORMS DRILLING BY ROTARY MOTION ONLY WITHOUT IMPACT MOTION, SAID CUTTING MEANS BEING FREE OF SHARP POINTS.
Claim 2
Dependent Claim
111 words
A MASONRY EXPANSION ANCHOR COMPRISING A TUBULAR BODY MEMBER HAVING EXPANSION MEANS AT ONE END AND SECURING MEANS AT THE OPPOSITE END THEREOF, CUTTING MEANS FUSED TO THE END HAVING SAID EXPANSION MEANS, SAID CUTTING MEANS BEING A LAYER OF NODULAR TUNGSTEN CARBIDE PARTICLES NO SMALL THAN .020 INCH AND NO LARGER THAN .080 INCH IN SIZE ARRANGED SO AS TO COVER THE END AND THE INNER AND OUTER SIDE WALLS OF SAID BODY ADJACENT SAID END PROVIDING A CUTTING SURFACE HAVING A GREATER INNER AND OUTER DIAMETER THAN SAID BODY, WHEREBY SAID ANCHOR PERFORMS DRILLING BY ROTARY MOTION ONLY WITHOUT IMPACT MOTION, SAID CUTTING MEANS BEING FREE OF SHARP POINTS.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |