US3025882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air inlet control for fans and the like
Assignee: Deere and Co
•
Filing: 1958-12-03
•
Granted: 1962-03-20
•
Expires: 1978-12-03
Abstract
No abstract record available.
Inventors
- 👤 Marlin E Weakly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:00
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/4206; F04D29/4213; F04D29/44; F04D29/46; F04D29/462; F04D29/464; F05; F05D; F05D2250/00; F05D2250/50; F05D2250/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US745313A
Cited
AT47853B
Cited
US1992552A
Cited
DE695412C
Cited
US2140148A
Cited
US2196591A
Cited
US2187055A
Cited
US2378139A
Cited
US2614789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |