US948835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammonia-condenser.
Assignee: Individual
•
Filing: —
•
Granted: 1910-02-08
•
Expires: 1927-02-08
Abstract
No abstract record available.
Inventors
- 👤 Bruce Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:40
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/22; F28F2009/222; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/40; Y10S165/401; Y10S165/405; Y10S165/406
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) | 1913-02-07 | 1913-08-09 | 1914-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-02-07 | 1917-08-09 | 1918-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-02-07 | 1921-08-09 | 1922-02-08 | $7700.00 | Window Closed / Lapsed |