Patent US3418627A successfully refreshed from Google Patents.
US3418627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drift indicator for anchored boats
Assignee: Individual
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Filing: 1966-06-20
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Granted: 1968-12-24
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Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Lyons Jim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:16
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/22; B63B2021/003; B63B2021/009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A DRIFT INDICATOR FOR AN ANCHORED BOAT, COMPRISING: A SENSING UNIT ADAPTED FOR MOUNTING ON A BOAT; A FLEXIBLE LINE CONNECTED TO SAID SENSING UNIT AND HAVING A WEIGHT THEREON FOR SUSPENSION IN THE WATER BELOW THE BOAT; MEANS TO EXTEND AND RETRACT SAID LINE TO POSITION SAID WEIGHT AT A PREDETERMINED MINIMUM DEPTH IN THE WATER; SWITCH MEANS IN SAID SENSING UNIT; AN ALARM CONNECTED TO SAID SWITCH, MEANS; SWITCH ACTUATING MECHANISM COUPLED TO SAID SWITCH MEANS; SAID LINE BEING ATTACHED TO SAID ACTUATING MECHANISM; SAID ACTUATING MECHANISM BEING BIASED TO A NEUTRAL POSITION UNDER STATIC LOAD OF SAID WEIGT AND LINE AND BEING OPERABLE BY A CHANGE IN LOAD TO ACTUATE SAID SWITCH MEANS AND OPERATE SAID ALARM.
Claim 2
Dependent Claim
120 words
A DRIFT INDICATOR FOR AN ANCHORED BOAT, COMPRISING: A SENSING UNIT ADAPTED FOR MOUNTING ON A BOAT; A FLEXIBLE LINE CONNECTED TO SAID SENSING UNIT AND HAVING A WEIGHT THEREON FOR SUSPENSION IN THE WATER BELOW THE BOAT; MEANS TO EXTEND AND RETRACT SAID LINE TO POSITION SAID WEIGHT AT A PREDETERMINED MINIMUM DEPTH IN THE WATER; SWITCH MEANS IN SAID SENSING UNIT; AN ALARM CONNECTED TO SAID SWITCH, MEANS; SWITCH ACTUATING MECHANISM COUPLED TO SAID SWITCH MEANS; SAID LINE BEING ATTACHED TO SAID ACTUATING MECHANISM; SAID ACTUATING MECHANISM BEING BIASED TO A NEUTRAL POSITION UNDER STATIC LOAD OF SAID WEIGT AND LINE AND BEING OPERABLE BY A CHANGE IN LOAD TO ACTUATE SAID SWITCH MEANS AND OPERATE SAID ALARM.
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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |