US2911038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deformable self-supporting welding shield
Assignee: DUBUQUE AWNING AND TENT Co
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Filing: 1957-04-16
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Granted: 1959-11-03
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Expires: 1977-04-16
Abstract
No abstract record available.
Inventors
- 👤 Cyril P Frommelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:55
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F9/06; F; F16; F16P; F16P1/00; F16P1/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24033
Claims Analysis
Total Claims: 0
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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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |