US2779961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain cleaning device with detergent supply
Assignee: Individual
•
Filing: 1952-09-29
•
Granted: 1957-02-05
•
Expires: 1972-09-29
Abstract
No abstract record available.
Inventors
- 👤 Myron P Laughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:58
CPC Classifications
A; A47; A47L; A47L17/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US393522A
Cited
US1049863A
Cited
US1430988A
Cited
US1677645A
Cited
US2069833A
Cited
FR827725A
Cited
US2241443A
Cited
US2303667A
Cited
CH259625A
Cited
US2590353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |