Patent US3113202A successfully refreshed from Google Patents.
US3113202A
Expired / Lapsed
US
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Resistance welding method
Assignee: IIT Research Institute
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Filing: 1961-08-30
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Granted: 1963-12-03
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Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 Robert K Nolen
- 👤 Schwartzbart Harry
- 👤 John F Rudy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:37
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K11/00; B23K11/16; B23K35/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A METHOD OF BONDING MEMEBERS COMPRISING THE STEPS OF: PLACING A METAL INSERT CONSISTING OF A SINTERED, POROUS MASS OF RANDOMLY ORIENTED FIBERS BETWEEN SAID MEMBERS IN ABUTTING RELATION; PASSING ELECTRIC CURRENT THERETHROUGH; AND APPLYING PRESSURE TO THE MEMBERS DURING THE PASSAGE OF SAID CURRENT.
Claim 2
Independent Claim
45 words
A METHOD OF BONDING MEMEBERS COMPRISING THE STEPS OF: PLACING A METAL INSERT CONSISTING OF A SINTERED, POROUS MASS OF RANDOMLY ORIENTED FIBERS BETWEEN SAID MEMBERS IN ABUTTING RELATION; PASSING ELECTRIC CURRENT THERETHROUGH; AND APPLYING PRESSURE TO THE MEMBERS DURING THE PASSAGE OF SAID CURRENT.
References Cited (Backward Citations)
US1509384A
Cited
US2262455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |