Patent US3483878A successfully refreshed from Google Patents.
US3483878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pool cleaning apparatus
Assignee: Epicure Products Inc
•
Filing: 1968-04-05
•
Granted: 1969-12-16
•
Expires: 1988-04-05
Abstract
No abstract record available.
Inventors
- 👤 Walter C Lorenzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:47
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/14; E04H4/16; E04H4/1681
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2736578A
Cited
US2887124A
Cited
US2921802A
Cited
US2975791A
Cited
US3298715A
Cited
US3261371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |