US1191237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction apparatus.
Assignee: ETAVENTILATOREN GmbH
•
Filing: 1914-03-04
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Granted: 1916-07-18
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Expires: 1934-03-04
Abstract
No abstract record available.
Inventors
- 👤 Moritz Rosenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:31
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/4206; F04D29/4213
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) | 1919-07-18 | 1920-01-17 | 1920-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-07-18 | 1924-01-17 | 1924-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-07-18 | 1928-01-17 | 1928-07-18 | $7700.00 | Window Closed / Lapsed |