US3071679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding organization
Assignee: Individual
•
Filing: 1961-03-09
•
Granted: 1963-01-01
•
Expires: 1981-03-09
Abstract
No abstract record available.
Inventors
- 👤 Fetz Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:27
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/31; B23K11/318
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
IN A SPOT WELDING MACHINE, A CYLINDER, A PISTON ASSEMBLY RECIPROCABLE IN SAID CYLINDER, AN ELECTRODE ASSEMBLY, SAID PISTON AND SAID ELECTRODE ASSEMBLIES HAVING JUXTAPOSED END FACES AND RESILIENT MEANS INTERPOSED BETWEEN AND ENGAGING SAID JUXTAPOSED END FACES.
Claim 2
Dependent Claim
38 words
IN A SPOT WELDING MACHINE, A CYLINDER, A PISTON ASSEMBLY RECIPROCABLE IN SAID CYLINDER, AN ELECTRODE ASSEMBLY, SAID PISTON AND SAID ELECTRODE ASSEMBLIES HAVING JUXTAPOSED END FACES AND RESILIENT MEANS INTERPOSED BETWEEN AND ENGAGING SAID JUXTAPOSED END FACES.
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) | 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 |