US1090956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbinal screw-propeller.
Assignee: Individual
•
Filing: 1912-06-24
•
Granted: 1914-03-24
•
Expires: 1932-06-24
Abstract
No abstract record available.
Inventors
- 👤 William J Zinteck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:06
CPC Classifications
B; B63; B63H; B63H1/00; B63H1/02; B63H1/12; B63H2001/122; F; F05; F05B; F05B2250/00; F05B2250/20; F05B2250/25
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) | 1917-03-23 | 1917-09-22 | 1918-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-03-23 | 1921-09-22 | 1922-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-03-23 | 1925-09-22 | 1926-03-24 | $7700.00 | Window Closed / Lapsed |