US2013737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intake manifold
Assignee: SWAN CARBURETOR Co
•
Filing: 1928-09-08
•
Granted: 1935-09-10
•
Expires: 1948-09-08
Abstract
No abstract record available.
Inventors
- 👤 John W Swan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:21
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/10006; F02M35/10026; F02M35/10032; F02M35/10091; F02M35/10124; F02M35/104; F02M35/1045; F02M35/112
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1938-09-09 | 1939-03-11 | 1939-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-09 | 1943-03-11 | 1943-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-09 | 1947-03-11 | 1947-09-10 | $7700.00 | Window Closed / Lapsed |