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US1144342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-lift for elevating liquids.
Assignee: Individual
•
Filing: 1913-10-07
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Granted: 1915-06-29
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Expires: 1933-10-07
Abstract
No abstract record available.
Inventors
- 👤 Benjamin Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:42
CPC Classifications
F; F04; F04F; F04F1/00; F04F1/18
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) | 1918-06-28 | 1918-12-28 | 1919-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-06-28 | 1922-12-28 | 1923-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-06-28 | 1926-12-28 | 1927-06-29 | $7700.00 | Window Closed / Lapsed |