Patent US3070874A successfully refreshed from Google Patents.
US3070874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for attaching a fitting to a pipe
Assignee: Individual
•
Filing: 1959-07-23
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Granted: 1963-01-01
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Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Claude E Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:37
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/08; F16L41/082; F16L41/084; F16L41/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49403
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A METHOD OF CONNECTING A PIPE FITTING OR THE LIKE TO A MAIN PIPE COMPRISING: SELECTING A SPOT ON THE MAIN PIPE TO RECEIVE THE FITTING THEREAT, POSITIONING THE BOTTOM OF SAID FITTING AT THE PREPARED SPOT, AND FIRMLY SECURING SAID FITTING IN PLACE THEREON, FLUXING THE SURFACE OF THE PIPE WITH A SUITABLE FLUX MATERIAL, PLACING A CONNECTIVE COMPOUND THROUGH SAID FITTING ONTO THE SPOT WHERE SAID FLUX MATERIAL HAS BEEN PLACED, THEN PROVIDING AN EXOTHERMIC MATERIAL ON THE OUTSIDE OF SAID VALVE FITTING, IGNITING SAID EXOTHERMIC MATERIAL TO CAUSE SAID EXOTHERMIC MATERIAL TO BURN WITH SUFFICIENT HEAT TO MELT SAID CONNECTIVE COMPOUND TO CAUSE SAID CONNECTIVE COMPOUND TO FLOW INTO THE JOINT WHERE THE FITTING IS ATTACHED, AND FINALLY DRILLING A HOLE THROUGH SAID PREPARED SPOT THEREBY ESTABLISHING PERMANENT COMMUNICATION BETWEEN SAID MAIN LINE AND SAID FITTING.
Claim 2
Independent Claim
139 words
A METHOD OF CONNECTING A PIPE FITTING OR THE LIKE TO A MAIN PIPE COMPRISING: SELECTING A SPOT ON THE MAIN PIPE TO RECEIVE THE FITTING THEREAT, POSITIONING THE BOTTOM OF SAID FITTING AT THE PREPARED SPOT, AND FIRMLY SECURING SAID FITTING IN PLACE THEREON, FLUXING THE SURFACE OF THE PIPE WITH A SUITABLE FLUX MATERIAL, PLACING A CONNECTIVE COMPOUND THROUGH SAID FITTING ONTO THE SPOT WHERE SAID FLUX MATERIAL HAS BEEN PLACED, THEN PROVIDING AN EXOTHERMIC MATERIAL ON THE OUTSIDE OF SAID VALVE FITTING, IGNITING SAID EXOTHERMIC MATERIAL TO CAUSE SAID EXOTHERMIC MATERIAL TO BURN WITH SUFFICIENT HEAT TO MELT SAID CONNECTIVE COMPOUND TO CAUSE SAID CONNECTIVE COMPOUND TO FLOW INTO THE JOINT WHERE THE FITTING IS ATTACHED, AND FINALLY DRILLING A HOLE THROUGH SAID PREPARED SPOT THEREBY ESTABLISHING PERMANENT COMMUNICATION BETWEEN SAID MAIN LINE AND SAID FITTING.
References Cited (Backward Citations)
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Cited
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Cited
US2528280A
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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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |