US3096430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding hood
Assignee: Individual
•
Filing: 1961-04-10
•
Granted: 1963-07-02
•
Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Richard S Farr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:48
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F9/06; A61F9/061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A WELDING HOOD FOR USE WITH AN ELECTRIC ARC-WELDING SYSTEM COMPRISING A HELMET, A FACE PLATE HINGEDLY CARRIED ON THE HELMET AND ADAPTED TO BE OPENED OR CLOSED, AN AIR INLET PORT, MEANS RESPONSIVE TO AIR PRESSURE AT SAID INLET PORT TO CLOSE SAID FACE PLATE, VALVE MEANS FOR SUPPLYING AIR PRESSURE TO SAID MEANS, AND MEANS ASSOCIATED WITH THE ARC-WELDING SYSTEM AND SAID VALVE MEANS FOR DELAYING THE OPERATION OF THE ARC-WELDING
Claim 2
Dependent Claim
73 words
A WELDING HOOD FOR USE WITH AN ELECTRIC ARC-WELDING SYSTEM COMPRISING A HELMET, A FACE PLATE HINGEDLY CARRIED ON THE HELMET AND ADAPTED TO BE OPENED OR CLOSED, AN AIR INLET PORT, MEANS RESPONSIVE TO AIR PRESSURE AT SAID INLET PORT TO CLOSE SAID FACE PLATE, VALVE MEANS FOR SUPPLYING AIR PRESSURE TO SAID MEANS, AND MEANS ASSOCIATED WITH THE ARC-WELDING SYSTEM AND SAID VALVE MEANS FOR DELAYING THE OPERATION OF THE ARC-WELDING
References Cited (Backward Citations)
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Cited
US2154774A
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US2418415A
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US2582860A
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US2728077A
Cited
US2761046A
Cited
US2778928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |