US1415645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wind wheel
Assignee: Individual
•
Filing: 1921-08-01
•
Granted: 1922-05-09
•
Expires: 1941-08-01
Abstract
No abstract record available.
Inventors
- 👤 Holterud Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:18
CPC Classifications
F; F03; F03D; F03D3/00; F03D3/06; F03D3/062; F05; F05B; F05B2240/00; F05B2240/20; F05B2240/21; F05B2240/211; F05B2240/216; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/74
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) | 1925-05-08 | 1925-11-07 | 1926-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-05-08 | 1929-11-07 | 1930-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-05-08 | 1933-11-07 | 1934-05-09 | $7700.00 | Window Closed / Lapsed |