US1369596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wind-motor for air-pumps
Assignee: Individual
•
Filing: 1919-04-05
•
Granted: 1921-02-22
•
Expires: 1939-04-05
Abstract
No abstract record available.
Inventors
- 👤 Yanacopoulos George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:41
CPC Classifications
F; F03; F03D; F03D9/00; F03D9/20; F03D9/28; F03D80/00; F03D80/70; F03D9/10; F03D9/17; F03D9/11; F03D9/25; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E60/00; Y02E60/16; Y02E70/00; Y02E70/30
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) | 1924-02-22 | 1924-08-23 | 1925-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-02-22 | 1928-08-23 | 1929-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-02-22 | 1932-08-23 | 1933-02-22 | $7700.00 | Window Closed / Lapsed |