US2628419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blower
Assignee: Lau Blower Co
•
Filing: 1946-11-22
•
Granted: 1953-02-17
•
Expires: 1966-11-22
Abstract
No abstract record available.
Inventors
- 👤 Carl E Wilken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:15
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/281; F04D29/282; F04D29/283; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49329
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1700017A
Cited
US1085089A
Cited
US1484579A
Cited
US1470505A
Cited
US1876518A
Cited
US1890226A
Cited
US1995759A
Cited
US2045420A
Cited
US2006458A
Cited
US2051216A
Cited
US2208835A
Cited
US2125697A
Cited
US2181592A
Cited
US2242586A
Cited
US2272695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |