US3291957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for removal of insulation coating of parts in spot welding
Assignee: Individual
•
Filing: 1965-10-12
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Granted: 1966-12-13
•
Expires: 1985-10-12
Abstract
No abstract record available.
Inventors
- 👤 Albert G Bodine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:09
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/16; B23K11/163
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
IN A SPOT WELDING MACHINE, THE COMBINATION OF: A WELDING ELECTRODE ADAPTED TO CONTACT A COATED PART TO BE SPOT WELDED; MEANS FOR EFFECTING RELATIVE SONIC VIBRATION BETWEEN SAID ELECTRODE AND SAID PART TO REMOVE SAID COATING, EMBODYING AN ELONGATED ELASTICALLY VIBRATORY BAR ADAPTED TO HAVE TRANSVERSE RESONANT STANDING WAVE VIBRATION SET UP THEREIN, CHARACTERIZED BY NODES AND ANTINODES; SAID ELECTRODE BEING MOUNTED ON SAID BAR AT A VIBRATORY PORTION THEREOF; AND A MECHANICAL OSCILLATOR COUPLED TO SAID BAR IN THE REGION OF AN ANTINODE OF SAID STANDING WAVE.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |