US1626104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-coated electrode
Assignee: VIRGINIA SWIFT
•
Filing: 1922-02-21
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Granted: 1927-04-26
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Expires: 1942-02-21
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:35
CPC Classifications
H; H05; H05B; H05B31/00; H05B31/02; H05B31/06; H05B31/065; H05B31/08; H05B31/10; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12625; Y10T428/12771; Y10T428/12785; Y10T428/12861; Y10T428/12903; Y10T428/12986; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-04-25 | 1930-10-25 | 1931-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-25 | 1934-10-25 | 1935-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-25 | 1938-10-25 | 1939-04-26 | $7700.00 | Window Closed / Lapsed |