US3433237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pool cleaner embodying combination jet suction,self-undulating hose
Assignee: Marine Swimming Pool Equipment Co
•
Filing: 1967-09-05
•
Granted: 1969-03-18
•
Expires: 1987-09-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Gelinas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:11
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/14; E04H4/16; E04H4/1681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2982971A
Cited
US3078998A
Cited
US3109298A
Cited
US3146783A
Cited
US3191296A
Cited
US3168896A
Cited
US3238549A
Cited
US3261371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |