Patent US3293477A successfully refreshed from Google Patents.
US3293477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-pull welding wire drive system
Assignee: Union Carbide Corp
•
Filing: 1964-01-22
•
Granted: 1966-12-20
•
Expires: 1984-01-22
Abstract
No abstract record available.
Inventors
- 👤 Roscoe R Lobosco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:38
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/133; B23K9/1336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A WIRE DRIVE SYSTEM FOR FEEDING CONSUMABLE ELECTRODE WELDING WIRE FROM A REMOTELY LOCATED SOURCE OF SUCH WIRE TO A CONSUMABLE WIRE ELECTRODE ARC WELDING TORCH WHICH COMPRISES A FIRST WIRE FEED MEANS AND A SECOND WIRE FEED MEANS, ONE OF SAID MEANS HAVING A RELATIVELY GOOD SPEED-LOAD CHARACTERISTIC SUCH THAT THE FORCES EXERTED BY SAID MEANS ON THE WIRE ARE SUFFICIENT TO DETERMINE THE WIRE FEED SPEED AND THE OTHER OF SAID MEANS HAVING POOR SPEED-LOAD CHARACTERISTICS.
Claim 2
Dependent Claim
78 words
A WIRE DRIVE SYSTEM FOR FEEDING CONSUMABLE ELECTRODE WELDING WIRE FROM A REMOTELY LOCATED SOURCE OF SUCH WIRE TO A CONSUMABLE WIRE ELECTRODE ARC WELDING TORCH WHICH COMPRISES A FIRST WIRE FEED MEANS AND A SECOND WIRE FEED MEANS, ONE OF SAID MEANS HAVING A RELATIVELY GOOD SPEED-LOAD CHARACTERISTIC SUCH THAT THE FORCES EXERTED BY SAID MEANS ON THE WIRE ARE SUFFICIENT TO DETERMINE THE WIRE FEED SPEED AND THE OTHER OF SAID MEANS HAVING POOR SPEED-LOAD CHARACTERISTICS.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |