US3119948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode feed device
Assignee: Union Carbide Corp
•
Filing: 1961-01-03
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Granted: 1964-01-28
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Albert W Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:09
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/133; B23K9/1336
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
ELECTRODE FEED DEVICE COMPRISING A DRIVE CYLINDER HAVING A PISTON, A HOLLOW ROD DRIVEN BY SAID PISTON AND THROUGH WHICH THE ELECTRODE PASSES, A STATIONARY ONE WAY CLUTCH MOUNTED IN THE PATH OF THE ELECTRODE BEYOND SAID CYLINDER, AND A MOVING ONE WAY CLUTCH CARRIED BY SAID HOLLOW ROD AHEAD AND OUTSIDE OF SAID CYLINDER FOR PROPELLING THE ELECTRODE THROUGH SAID STATIONARY CLUTCH.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
US2634974A
Cited
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Cited
US3038647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |