US1938164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intake arrangement for internal explosion engines
Assignee: Individual
•
Filing: 1931-10-05
•
Granted: 1933-12-05
•
Expires: 1951-10-05
Abstract
No abstract record available.
Inventors
- 👤 Zurmuhle Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:36
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/104; F02M35/112; F02M35/10091; F02M35/10118; F02M35/1015; F02M35/10157; F02M35/10163; F02M35/1045; F02M35/108; F02M63/00; F02B; F02B75/00; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1824; F02M2700/00; F02M2700/05; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1936-12-04 | 1937-06-05 | 1937-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-04 | 1941-06-05 | 1941-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-04 | 1945-06-05 | 1945-12-05 | $7700.00 | Window Closed / Lapsed |