Patent US893207A successfully refreshed from Google Patents.
US893207A
Expired / Lapsed
US
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Process of welding copper.
Assignee: Individual
•
Filing: 1908-01-03
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Granted: 1908-07-14
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Expires: 1928-01-03
Abstract
No abstract record available.
Inventors
- 👤 Sahliah Abraham Tabet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:30
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0222; B23K35/0244; B23K35/025; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12347; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291
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) | 1911-07-14 | 1912-01-13 | 1912-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-07-14 | 1916-01-13 | 1916-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-07-14 | 1920-01-13 | 1920-07-14 | $7700.00 | Window Closed / Lapsed |