Patent US3255498A successfully refreshed from Google Patents.
US3255498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for butt joining steel bars and the like
Assignee: Erico International Corp
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Filing: 1962-04-12
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Granted: 1966-06-14
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Expires: 1982-04-12
Abstract
No abstract record available.
Inventors
- 👤 Henry R Leuthy
- 👤 Gelfand Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:32
CPC Classifications
B; B23; B23K; B23K23/00; B22; B22D; B22D19/00; B22D19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
APPRATUS FOR BUTT SPLICING SLIGHTLY SPACED UPPER AND LOWER METAL REINFORCING BARS IN A REINFORCED CONCRETE COLUMN CONSTRUCTION COMPRISING A CLAMPING SUPPORT REMOVABLY MOUNTED ON THE LOWER BAR, ADJUSTABLE MEANS ON SAID CLAMPING SUPPORT TO ADJUSTABLY ALIGN AND RELEASABLY SUPPORT THE LOWER END OF A STRONG NON-REMOVABLE SLEEVE MOLD ADAPTED TO BECOME AN INTEGRAL PART OF THE FINAL PIECE ENCLOSING THE OPPOSED SLIGHTLY SPACED ENDS OF SUCH UPPER AND LOWER BARS TO BE SPLICED AND PROVIDING AN ANNULAR MOLD CHAMBER DEFINING SPACED AROUND THE ENDS OF THE BARS, MEANS CONNECTABLE TO THE UPPER BAR TO ALIGN THE UPPER END OF SAID MOLD WITH SUCH UPPER BAR, A GENERALLY CENTRAL APERTURE IN SAID MOLD, MEANS TO SUPPORT A POURING BASING AGAINST SAID MOLD IN FITTED COMMUNICATION WITH SAID APERTURE, AND MEANS TO INTRODUCE MOLTEN
Claim 2
Dependent Claim
133 words
APPRATUS FOR BUTT SPLICING SLIGHTLY SPACED UPPER AND LOWER METAL REINFORCING BARS IN A REINFORCED CONCRETE COLUMN CONSTRUCTION COMPRISING A CLAMPING SUPPORT REMOVABLY MOUNTED ON THE LOWER BAR, ADJUSTABLE MEANS ON SAID CLAMPING SUPPORT TO ADJUSTABLY ALIGN AND RELEASABLY SUPPORT THE LOWER END OF A STRONG NON-REMOVABLE SLEEVE MOLD ADAPTED TO BECOME AN INTEGRAL PART OF THE FINAL PIECE ENCLOSING THE OPPOSED SLIGHTLY SPACED ENDS OF SUCH UPPER AND LOWER BARS TO BE SPLICED AND PROVIDING AN ANNULAR MOLD CHAMBER DEFINING SPACED AROUND THE ENDS OF THE BARS, MEANS CONNECTABLE TO THE UPPER BAR TO ALIGN THE UPPER END OF SAID MOLD WITH SUCH UPPER BAR, A GENERALLY CENTRAL APERTURE IN SAID MOLD, MEANS TO SUPPORT A POURING BASING AGAINST SAID MOLD IN FITTED COMMUNICATION WITH SAID APERTURE, AND MEANS TO INTRODUCE MOLTEN
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |