US1228608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-operated ejector.
Assignee: Metropolitan Vickers Electrical Co Ltd
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Filing: 1915-07-14
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Granted: 1917-06-05
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Expires: 1935-07-14
Abstract
No abstract record available.
Inventors
- 👤 Arthur Edwin Leigh Scanes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/14; F04F5/16; F04F5/20; F04F5/22
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) | 1920-06-04 | 1920-12-04 | 1921-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-06-04 | 1924-12-04 | 1925-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-06-04 | 1928-12-04 | 1929-06-05 | $7700.00 | Window Closed / Lapsed |