US3102827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding rod
Assignee: Premier Industrial Corp
•
Filing: 1960-08-10
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Granted: 1963-09-03
•
Expires: 1980-08-10
Abstract
No abstract record available.
Inventors
- 👤 William B Kriewall
- 👤 Theodore I Leston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:09
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; B23K35/0272; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12771; Y10T428/12778; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2944; Y10T428/2951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
IN A WELDROD, THE COMBINATION OF A METAL CORE, A FLUX COATING ON SAID CORE AND A SEALING COATING OVERLYING SAID FLUX-COATING, SAID SEALING COATING COMPRISING ONE LAYER OF A DIELECTRIC MATERIAL AND ANOTHER LAYER OF A METAL FILM ADJACENT TO SAID DIELECTRIC MATERIAL.
Claim 2
Dependent Claim
44 words
IN A WELDROD, THE COMBINATION OF A METAL CORE, A FLUX COATING ON SAID CORE AND A SEALING COATING OVERLYING SAID FLUX-COATING, SAID SEALING COATING COMPRISING ONE LAYER OF A DIELECTRIC MATERIAL AND ANOTHER LAYER OF A METAL FILM ADJACENT TO SAID DIELECTRIC MATERIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |