US2678104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resiliently mounted rotary fan
Assignee: Motors Liquidation Co
•
Filing: 1951-03-15
•
Granted: 1954-05-11
•
Expires: 1971-03-15
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:27
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/661; F04D29/668; F04D29/26; F04D29/32; F04D29/325; F04D29/329; F04D29/38; F04D29/382; Y; Y10; Y10S; Y10S416/00; Y10S416/50
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) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |