US785580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for condensing purposes.
Assignee: Individual
•
Filing: 1904-11-07
•
Granted: 1905-03-21
•
Expires: 1924-11-07
Abstract
No abstract record available.
Inventors
- 👤 Alexander Shiels
- 👤 John S L Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:41
CPC Classifications
F; F28; F28F; F28F21/00; F28F21/04; Y; Y10; Y10S; Y10S165/00; Y10S165/184; Y10S165/185; Y10S165/186; Y10S165/355; Y10S165/399; Y10T; Y10T428/00; Y10T428/12; Y10T428/12354; Y10T428/12361; Y10T428/1241
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) | 1908-03-20 | 1908-09-19 | 1909-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-03-20 | 1912-09-19 | 1913-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-03-20 | 1916-09-19 | 1917-03-21 | $7700.00 | Window Closed / Lapsed |