US1846283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air inlet system for engines
Assignee: Motors Liquidation Co
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Filing: 1929-02-01
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Granted: 1932-02-23
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Expires: 1949-02-01
Abstract
No abstract record available.
Inventors
- 👤 Caleb E Summers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:12
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/104; F02M35/116; B; B60; B60K; B60K13/00; B60K13/02; F02M35/10006; F02M35/10013; F02M35/10026; F02M35/10045; F02M35/10091; F02M35/10118; F02M35/10137; F02M35/16; F02M35/161; B60K11/00; B60K11/02; Y; Y10; Y10S; Y10S55/00; Y10S55/28
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) | 1935-02-22 | 1935-08-24 | 1936-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-22 | 1939-08-24 | 1940-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-22 | 1943-08-24 | 1944-02-23 | $7700.00 | Window Closed / Lapsed |