US3046583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool cleaner
Assignee: Individual
•
Filing: 1960-02-08
•
Granted: 1962-07-31
•
Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Emil J Drennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:30
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/0004; A47L7/0009; E; E04; E04H; E04H4/00; E04H4/14; E04H4/16; E04H4/1618; E04H4/1636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US610279A
Cited
US612612A
Cited
US1039383A
Cited
US1099141A
Cited
GB293782A
Cited
US2646889A
Cited
US2824334A
Cited
US2862225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |