US694618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compound ingot.
Assignee: DARWIN S WOLCOTT
•
Filing: 1900-01-23
•
Granted: 1902-03-04
•
Expires: 1920-01-23
Abstract
No abstract record available.
Inventors
- 👤 Sylvester A Cosgrave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:55
CPC Classifications
C; C23; C23C; C23C28/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12458; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12965
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) | 1905-03-03 | 1905-09-02 | 1906-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-03-03 | 1909-09-02 | 1910-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-03-03 | 1913-09-02 | 1914-03-04 | $7700.00 | Window Closed / Lapsed |