US3481119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleaner construction
Assignee: Ford Motor Co
•
Filing: 1968-05-31
•
Granted: 1969-12-02
•
Expires: 1988-05-31
Abstract
No abstract record available.
Inventors
- 👤 Robert C Mckinlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:34
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/10006; F02M35/10013; F02M35/10242; F02M35/10255; F02M35/16; F02M35/161; F02M35/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/7722; Y10T137/7748; Y10T137/7758; Y10T137/8376
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |