US2993214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solution-injecting device
Assignee: Individual
•
Filing: 1958-03-10
•
Granted: 1961-07-25
•
Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 Franco Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:12
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/02; E03D9/03; E03D9/033; E03D9/037; E03D2009/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189418671A
Cited
US669572A
Cited
GB169878A
Cited
GB359604A
Cited
US2091110A
Cited
US2322296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |