US3227124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat bottom cleaning apparatus
Assignee: Individual
•
Filing: 1964-02-24
•
Granted: 1966-01-04
•
Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Leonard W Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:09
CPC Classifications
B; B63; B63B; B63B59/00; B63B59/06; B63B59/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A BOAT BOTTOM CLEANING APPARATUS COMPRISING; (A) A BRUSH UNIT WITH A FIXEDLY POSITIONED VERTICALLY DISPOSED COLUMN EXTENDED BELOW THE BOAT BOTTOM AND HAVING A SUBSTANTIALLY HORIZONTALLY DISPOSED REVOLVING BRUSH ON AN AXIS EXTENDED TRANSVERSELY BENEATH THE BOAT BOTTOM AND WITH ITS UPPER PERIPHERY ENGAGING THE SAME, (B) AND TRANSPORT MEANS TO ADVANCE THE BOAT OVER THE FIXEDLY POSITIONED AND REVOLVING BRUSH.
Claim 2
Dependent Claim
62 words
A BOAT BOTTOM CLEANING APPARATUS COMPRISING; (A) A BRUSH UNIT WITH A FIXEDLY POSITIONED VERTICALLY DISPOSED COLUMN EXTENDED BELOW THE BOAT BOTTOM AND HAVING A SUBSTANTIALLY HORIZONTALLY DISPOSED REVOLVING BRUSH ON AN AXIS EXTENDED TRANSVERSELY BENEATH THE BOAT BOTTOM AND WITH ITS UPPER PERIPHERY ENGAGING THE SAME, (B) AND TRANSPORT MEANS TO ADVANCE THE BOAT OVER THE FIXEDLY POSITIONED AND REVOLVING BRUSH.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |