US3473038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wind driven generator
Assignee: United States Department of the Navy
•
Filing: 1966-06-24
•
Granted: 1969-10-14
•
Expires: 1986-06-24
Abstract
No abstract record available.
Inventors
- 👤 William Hakkarinen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:54
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/18; H02K7/1807; H02K7/1823; H02K7/183; F; F03; F03D; F03D13/00; F03D13/20; F03D9/00; F03D9/20; F03D9/25; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02E10/728
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |