US3006818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating solar still in continuous lengths
Assignee: Bjorksten Research Laboratories Inc
•
Filing: 1957-05-31
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Granted: 1961-10-31
•
Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Risto P Lappala
- 👤 Harry O Rennat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/14; B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/581; B29C53/582; B29C53/583; B29C53/584; B29C53/80; B29C53/8008; B29C53/8083; B29C65/00; B29C65/02; B29C65/18; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/208; Y02A20/212; Y10; Y10S; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A SOLAR STILL FABRICATED FROM WIRE AND PLASTIC COMPRISING: A CONTINUOUS, HELICAL WIRE FRAMEWORK, TWO RODS AND A TRANSPARENT PLASTIC COVER, SAID FRAMEWORK COMPRISING TWO UPRIGHT LOOPS ON THE BASE WIRE OF EACH SEGMENT OF SAID WIRE HELIX, EACH LOOP HAVING A RING AND A NARROW PORTION WHICH IN COMBINATION LOOKS LIKE A COTTER PIN, SAID LOOPS SEPARATED BY A DISTANCE ON THE BASE WIRES OF EACH SEGMENT OF THE WIRE HELIX, AND SAID LOOPS IN SERIES COMPRISING TWO PARALLEL ROWS OF LOOPS SEPARATED BY SAID DISTANCE, SAID TRANSPARENT COVER WRAPPED AROUND THE EXTERIOR OF SAID WIRE FRAMEWORK AND DRAWN UP THROUGH THE NARROW PORTIONS AND RINGS OF SAID SERIES OF LOOPS, ONE OF SAID RODS DRAWN THROUGH THE RINGS OF ONE ROW OF SAID PLASTIC COVERED LOOPS AND ANOTHER ROD DRAWN THROUGH THE THE RINGS OF THE OTHER ROW OF SAID PLASTIC COVERED LOOPS, SAID WIRE FRAMEWORK AND STILL IN COMBINATION HAVING THREE PARALLEL CHANNELS OF SUBSTANTIALLY UNLIMITED LENGTH SEPARATED BY SAID PARALLEL ROWS OF PLASTIC COVERED LOOPS, THE WALLS OF SAID CHANNELS FORMED BY SAID TWO ROWS OF PLASTIC COVERED LOOPS.
Claim 2
Dependent Claim
183 words
A SOLAR STILL FABRICATED FROM WIRE AND PLASTIC COMPRISING: A CONTINUOUS, HELICAL WIRE FRAMEWORK, TWO RODS AND A TRANSPARENT PLASTIC COVER, SAID FRAMEWORK COMPRISING TWO UPRIGHT LOOPS ON THE BASE WIRE OF EACH SEGMENT OF SAID WIRE HELIX, EACH LOOP HAVING A RING AND A NARROW PORTION WHICH IN COMBINATION LOOKS LIKE A COTTER PIN, SAID LOOPS SEPARATED BY A DISTANCE ON THE BASE WIRES OF EACH SEGMENT OF THE WIRE HELIX, AND SAID LOOPS IN SERIES COMPRISING TWO PARALLEL ROWS OF LOOPS SEPARATED BY SAID DISTANCE, SAID TRANSPARENT COVER WRAPPED AROUND THE EXTERIOR OF SAID WIRE FRAMEWORK AND DRAWN UP THROUGH THE NARROW PORTIONS AND RINGS OF SAID SERIES OF LOOPS, ONE OF SAID RODS DRAWN THROUGH THE RINGS OF ONE ROW OF SAID PLASTIC COVERED LOOPS AND ANOTHER ROD DRAWN THROUGH THE THE RINGS OF THE OTHER ROW OF SAID PLASTIC COVERED LOOPS, SAID WIRE FRAMEWORK AND STILL IN COMBINATION HAVING THREE PARALLEL CHANNELS OF SUBSTANTIALLY UNLIMITED LENGTH SEPARATED BY SAID PARALLEL ROWS OF PLASTIC COVERED LOOPS, THE WALLS OF SAID CHANNELS FORMED BY SAID TWO ROWS OF PLASTIC COVERED LOOPS.
References Cited (Backward Citations)
US2508774A
Cited
US2715914A
Cited
US2825365A
Cited
US2683466A
Cited
US2813063A
Cited
US2807912A
Cited
US2848389A
Cited
US2822857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |