US748456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amalgamating-machine.
Assignee: CHARLES LLEWELLYN ANDERSON
•
Filing: 1903-02-14
•
Granted: 1903-12-29
•
Expires: 1923-02-14
Abstract
No abstract record available.
Inventors
- 👤 Samuel Alford
- 👤 John James Robert Smythe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:11
CPC Classifications
C; C22; C22B; C22B11/00; C22B11/10; Y; Y10; Y10S; Y10S494/00; Y10S494/902
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) | 1906-12-28 | 1907-06-29 | 1907-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-12-28 | 1911-06-29 | 1911-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-12-28 | 1915-06-29 | 1915-12-29 | $7700.00 | Window Closed / Lapsed |