Patent US3551916A successfully refreshed from Google Patents.
US3551916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Septic tank vent for boats
Assignee: Standard Products Co
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Filing: 1969-05-13
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Granted: 1971-01-05
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Expires: 1989-05-13
Abstract
Abstract A BOAT HAVING A TOILET AND STORAGE TANK FOR WASTES FROM THE TOILET IS PROVIDED WITH A STORAGE TANK VENT. THE BOAT MAY BE ONE HAVING A TRANSCEIVER AND A TRANSCEIVER ANTENNA. THE TRANSCEIVER ANTENNA EXTENDS VERY HIGH ABOVE THE BOAT AND IS HOLLOW. A VENT CONDUIT CONNECTS THE WASTE TANK WITH THE HOLLOW TRANSCEIVER ANTENNA AND GASES FORMED IN THE WASTE TANK ARE EXHAUSTED TO ATMOSPHERE THROUGH OPENING MEANS IN THE TOP PORTION OF THE TRANS- CEIVER ANTENNA. THE BOAT MAY BE A SAILBOAT HAVING A SAIL SUPPORTING MAST WHICH IS HOLLOW. A VENT CONDUIT CONNECTS THE WASTE TANK WITH THE HOLLOW MAST TO EXHAUST GASES TO ATMOSPHERE THROUGH OPENING MEANS IN THE TOP PORTION OF THE MAST.
Inventors
- 👤 James S Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:53
CPC Classifications
B; B63; B63J; B63J2/00; B63J2/02; B63J2/10; B63B; B63B15/00; B63B15/0083; B63B29/00; B63B29/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |