US1722845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windmill
Assignee: ELOY A NOVOA
•
Filing: 1927-12-05
•
Granted: 1929-07-30
•
Expires: 1947-12-05
Abstract
No abstract record available.
Inventors
- 👤 Pedro M Gonzalez
- 👤 Juan A Silva
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:44
CPC Classifications
F; F03; F03D; F03D15/00; F03D15/10; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1932-07-29 | 1933-01-28 | 1933-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-29 | 1937-01-28 | 1937-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-29 | 1941-01-28 | 1941-07-30 | $7700.00 | Window Closed / Lapsed |