US2991911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dispenser for washing appliance
Assignee: Individual
•
Filing: 1958-09-17
•
Granted: 1961-07-11
•
Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 John S Spain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:39
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4445; D; D06; D06F; D06F39/00; D06F39/02; D06F39/022; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2788; Y10T137/7287; Y10T137/7313; Y10T137/7316; Y10T137/8593; Y10T137/86187; Y10T137/86228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |