US2784549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual engine exhaust aspirator
Assignee: Motors Liquidation Co
•
Filing: 1951-07-13
•
Granted: 1957-03-12
•
Expires: 1971-07-13
Abstract
No abstract record available.
Inventors
- 👤 Charles F Henney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:52
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/08; F01N5/00; F01N5/02; F02; F02B; F02B73/00; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1015145A
Cited
US1214921A
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US1132391A
Cited
US1358947A
Cited
CH89616A
Cited
GB182786A
Cited
FR684993A
Cited
FR833256A
Cited
US2322522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |