US2859760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic detergent feeding control
Assignee: Individual
•
Filing: 1955-03-30
•
Granted: 1958-11-11
•
Expires: 1975-03-30
Abstract
No abstract record available.
Inventors
- 👤 George L Borell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:28
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
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1953491A
Cited
US1981530A
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US2483450A
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US2377363A
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US2490634A
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US2576253A
Cited
US2498232A
Cited
US2621673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |