US2830615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self limiting liquid feed device
Assignee: Individual
•
Filing: 1955-05-04
•
Granted: 1958-04-15
•
Expires: 1975-05-04
Abstract
No abstract record available.
Inventors
- 👤 George L Borell
- 👤 Jr Otto W Jaeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:54
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4418; A47L15/0018; A47L15/0055; A47L15/449; G; G05; G05D; G05D21/00; G05D21/02; A47L15/24; A47L15/241; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2509; Y10T137/7287; Y10T137/7306; Y10T137/7313
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2593825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |