US689768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous vacuum distilling, drying, and evaporating machine.
Assignee: Individual
•
Filing: 1901-04-29
•
Granted: 1901-12-24
•
Expires: 1921-04-29
Abstract
No abstract record available.
Inventors
- 👤 James A Wathen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:07
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/56; B29C33/68; C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/573; Y; Y10; Y10S; Y10S165/00; Y10S165/228; Y10S165/229
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) | 1904-12-23 | 1905-06-24 | 1905-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-12-23 | 1909-06-24 | 1909-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-12-23 | 1913-06-24 | 1913-12-24 | $7700.00 | Window Closed / Lapsed |