US826773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser.
Assignee: Individual
•
Filing: 1904-07-01
•
Granted: 1906-07-24
•
Expires: 1924-07-01
Abstract
No abstract record available.
Inventors
- 👤 Franz Engleitner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:31
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/10; F28D7/103
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) | 1909-07-23 | 1910-01-22 | 1910-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-07-23 | 1914-01-22 | 1914-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-07-23 | 1918-01-22 | 1918-07-24 | $7700.00 | Window Closed / Lapsed |