US3261401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water production
Assignee: Individual
•
Filing: 1963-11-20
•
Granted: 1966-07-19
•
Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 William V Karr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:36
CPC Classifications
E; E03; E03B; E03B3/00; E03B3/06; E03B3/08; E03B3/10; E03B3/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A WATER SUPPLY SYSTEM COMPRISING A CAISSON POSITIONED IN AN AQUIFER; A PLURALITY OF PERFORATED TUBES EXTENDING SUBSTANTIALLY RADIALLY OUTWARD THROUGH THE WALL OF SAID CAISSON; AND A PLURALITY OF VERTICAL TUBES WHEREIN EACH OF SAID VERTICAL TUBES IS CONNECTED WITH ONE OF SAID HORIZONTAL TUBES; THE IMPROVEMENT WHICH COMPRISES A PLURALITY OF PUMPS WHEREIN ONE OF SAID PUMPS IS POSITIONED IN EACH OF SAID PLURALITY OF VERTICAL TUBES FOR DRAWING WATER FROM SAID AQUIFER VIA ONE OF SAID HORIZONTAL TUBES.
Claim 2
Dependent Claim
82 words
IN A WATER SUPPLY SYSTEM COMPRISING A CAISSON POSITIONED IN AN AQUIFER; A PLURALITY OF PERFORATED TUBES EXTENDING SUBSTANTIALLY RADIALLY OUTWARD THROUGH THE WALL OF SAID CAISSON; AND A PLURALITY OF VERTICAL TUBES WHEREIN EACH OF SAID VERTICAL TUBES IS CONNECTED WITH ONE OF SAID HORIZONTAL TUBES; THE IMPROVEMENT WHICH COMPRISES A PLURALITY OF PUMPS WHEREIN ONE OF SAID PUMPS IS POSITIONED IN EACH OF SAID PLURALITY OF VERTICAL TUBES FOR DRAWING WATER FROM SAID AQUIFER VIA ONE OF SAID HORIZONTAL TUBES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |