US3180301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic boat drain
Assignee: Individual
•
Filing: 1963-07-17
•
Granted: 1965-04-27
•
Expires: 1983-07-17
Abstract
No abstract record available.
Inventors
- 👤 Nick F Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:35
CPC Classifications
B; B63; B63B; B63B13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN AUTOMATIC BOAT DRAIN FOR INSTALLATION IN BOATS HAVING A BOTTOM HULL AND REAR TRANSOM COMPRISING IN COMBINATION AN AUTOMATIC BOAT DRAIN MECHANISM MOUNTED AGAINST THE REAR OUTER FACE OF THE TRANSOM OF A BOAT, SAID AUTOMATIC BOAT DRAIN MECHANISM BEING PROVIDED WITH A PIPE EXTENDING THROUGH THE TRANSOM, SAID PIPE BEING CONNECTED BY MEANS OF A FLEXIBLE HOSE TO A FILTERING AGENT
Claim 2
Dependent Claim
63 words
AN AUTOMATIC BOAT DRAIN FOR INSTALLATION IN BOATS HAVING A BOTTOM HULL AND REAR TRANSOM COMPRISING IN COMBINATION AN AUTOMATIC BOAT DRAIN MECHANISM MOUNTED AGAINST THE REAR OUTER FACE OF THE TRANSOM OF A BOAT, SAID AUTOMATIC BOAT DRAIN MECHANISM BEING PROVIDED WITH A PIPE EXTENDING THROUGH THE TRANSOM, SAID PIPE BEING CONNECTED BY MEANS OF A FLEXIBLE HOSE TO A FILTERING AGENT
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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |