US894163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compound metal body and process of producing same.
Assignee: DUPLEX METALS Co
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Filing: 1907-04-17
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Granted: 1908-07-21
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Expires: 1927-04-17
Abstract
No abstract record available.
Inventors
- 👤 John F Monnot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:37
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3033; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12778; Y10T428/12785; Y10T428/12792; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12917
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) | 1911-07-21 | 1912-01-20 | 1912-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-07-21 | 1916-01-20 | 1916-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-07-21 | 1920-01-20 | 1920-07-21 | $7700.00 | Window Closed / Lapsed |