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Patent US3500533A successfully refreshed from Google Patents.
US3500533A
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US
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Means and method of welding small wires
Assignee: ARTHUR J SPARLING
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Filing: 1968-10-16
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Granted: 1970-03-17
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Expires: 1988-10-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Sparling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:45
CPC Classifications
B; B23; B23K; B23K5/00; B23K5/22; B23K5/003; Y; Y10; Y10S; Y10S228/00; Y10S228/902; Y10S228/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125906A
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US2425090A
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US2766983A
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US2977672A
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US3252203A
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US3353263A
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US3445903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |