US3350798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition responsive elevator dredge
Assignee: Individual
•
Filing: 1965-01-13
•
Granted: 1967-11-07
•
Expires: 1985-01-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:51
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/907; E02F3/92; E02F3/9212; E02F3/9225; E02F3/9231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN AN APPARATUS FOR WORKING ON THE FLOOR OF A BODY OF WATER COMPRISING: (A) A BUOYANT HULL; (B) A SUBMERSIBLE PLATFORM HAVING FLOOR WORKING MEANS DISPOSED THEREON; AND, (C) GUY LINES SECURED BETWEEN SAID PLATFORM AND HULL TO SUSPEND SAID PLATFORM FROM SAID HULL AND MAINTAIN SAID HULL STABLY ABOVE SAID PLATFORM; THE IMPROVEMENT COMPRISING: (1) GUY LINE ADJUSTMENT MEANS TO VARY THE LENGTH OF SAID GUY LINES; (2) ELEVATION MONITORING MEANS TO CONTINUOUSLY SENSE FLUCTUATIONS IN THE INSTANTANEOUS ELEVATION OF SAID HULL RELATIVE TO AN AREA TO BE WORKED ON THE FLOOR OF A BODY OF WATER ON WHICH SAID HULL IS FLOATING; AND, (3) MEANS CONTROLLABLY ASSOCIATING SAID MONITORING MEANS WITH SAID ADJUSTMENT MEANS TO VARY THE LENGTH OF SAID GUY LINES RESPONSIVE TO SAID FLUCTUATIONS AND MAINTAIN SAID GUY LINES IN A CONDITION MAINTAINING SAID HULL STABLY ABOVE SAID PLATFORM DURING SAID FLUCTUATIONS, SAID CONTROLLABLY ASSOCIATING MEANS FUNCTIONING TO MAINTAIN SAID WORKING MEANS IN OPERATIVE ENGAGEMENT WITH SAID AREA AS SAID INSTANTANEOUS ELEVATION FLUCTUATES.
Claim 2
Dependent Claim
168 words
IN AN APPARATUS FOR WORKING ON THE FLOOR OF A BODY OF WATER COMPRISING: (A) A BUOYANT HULL; (B) A SUBMERSIBLE PLATFORM HAVING FLOOR WORKING MEANS DISPOSED THEREON; AND, (C) GUY LINES SECURED BETWEEN SAID PLATFORM AND HULL TO SUSPEND SAID PLATFORM FROM SAID HULL AND MAINTAIN SAID HULL STABLY ABOVE SAID PLATFORM; THE IMPROVEMENT COMPRISING: (1) GUY LINE ADJUSTMENT MEANS TO VARY THE LENGTH OF SAID GUY LINES; (2) ELEVATION MONITORING MEANS TO CONTINUOUSLY SENSE FLUCTUATIONS IN THE INSTANTANEOUS ELEVATION OF SAID HULL RELATIVE TO AN AREA TO BE WORKED ON THE FLOOR OF A BODY OF WATER ON WHICH SAID HULL IS FLOATING; AND, (3) MEANS CONTROLLABLY ASSOCIATING SAID MONITORING MEANS WITH SAID ADJUSTMENT MEANS TO VARY THE LENGTH OF SAID GUY LINES RESPONSIVE TO SAID FLUCTUATIONS AND MAINTAIN SAID GUY LINES IN A CONDITION MAINTAINING SAID HULL STABLY ABOVE SAID PLATFORM DURING SAID FLUCTUATIONS, SAID CONTROLLABLY ASSOCIATING MEANS FUNCTIONING TO MAINTAIN SAID WORKING MEANS IN OPERATIVE ENGAGEMENT WITH SAID AREA AS SAID INSTANTANEOUS ELEVATION FLUCTUATES.
References Cited (Backward Citations)
US2933837A
Cited
US3158206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |