Patent US1470754A successfully refreshed from Google Patents.
Patent US3373914A successfully refreshed from Google Patents.
US3373914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic welding speed controller
Assignee: National Aeronautics and Space Administration
•
Filing: 1965-12-30
•
Granted: 1968-03-19
•
Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:33
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A DEVICE FOR WELDING CURVED SURFACES, AN AUTOMATIC WELDING TORCH SPEED CONTROLLER COMPRISING: (A) A WELDING TORCH MOUNTED ON A CARRIAGE HAVING A CARRIAGE DRIVE MOTOR, (B) A VELOCITY TRACKER, RESPONSIVE TO THE MOVEMENT OF THE TORCH, (C) AN ANALOG GENERATOR OPERATIVELY CONNECTED TO THE VELOCITY TRACKER, FOR GENERATING A VOLTAGE PROPORTIONAL TO THE INSTANTANEOUS SPEED OF THE TIP OF SAID TORCH, (D) REFERENCE VOLTAGE SUPPLY MEANS IN CIRCUIT WITH THE SAID ANALOG GENERATOR, FOR SUPPLYING A VOLTAGE REPRESENTING A DESIRED CONSTANT SPEED FOR THE TIP OF THE WELDING TORCH,
Claim 2
Dependent Claim
91 words
IN A DEVICE FOR WELDING CURVED SURFACES, AN AUTOMATIC WELDING TORCH SPEED CONTROLLER COMPRISING: (A) A WELDING TORCH MOUNTED ON A CARRIAGE HAVING A CARRIAGE DRIVE MOTOR, (B) A VELOCITY TRACKER, RESPONSIVE TO THE MOVEMENT OF THE TORCH, (C) AN ANALOG GENERATOR OPERATIVELY CONNECTED TO THE VELOCITY TRACKER, FOR GENERATING A VOLTAGE PROPORTIONAL TO THE INSTANTANEOUS SPEED OF THE TIP OF SAID TORCH, (D) REFERENCE VOLTAGE SUPPLY MEANS IN CIRCUIT WITH THE SAID ANALOG GENERATOR, FOR SUPPLYING A VOLTAGE REPRESENTING A DESIRED CONSTANT SPEED FOR THE TIP OF THE WELDING TORCH,
References Cited (Backward Citations)
US3216641A
Cited
US3268805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |