US3269420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbulator for fluid conduit
Assignee: Individual
•
Filing: 1963-08-13
•
Granted: 1966-08-30
•
Expires: 1983-08-13
Abstract
No abstract record available.
Inventors
- 👤 George V Woodling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:57
CPC Classifications
F; F15; F15D; F15D1/00; F15D1/02; F15D1/06; F15D1/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A TURBULATOR FOR AN ELONGATED FLUID CONDUIT HAVING SUBSTANTIALLY A CYLINDRICAL INNER WALL, SAID TURBULATOR BEING INSERTABLE GENERALLY LONGITUDINALLY WITHIN SAID CONDUIT AND COMPRISING A STRIP OF METAL INCLUDING A PLURALITY OF GENERALLY ZIG-ZAG DELECTING MEANS AGAINST WHICH THE FLUID FLOWS, SAID MEANS HAVING END PORTIONS JOINED TOGETHER TO FORM A CORNER PORTION BETWEEN THE RESPECTIVE JOINED MEANS, THE JOINED MEANS AT THE RESPECTIVE CORNER PORTIONS HAVING SIDE EDGES DEFINING AN OBTUSE INCLUDED ANGLE THEREBETWEEN, THE JOINED MEANS AT THE RESPECTIVE CORNER PORTIONS MEETING TO DEFINE A TRANSVERSE AXIS DISPOSED AT AN OBLIQUE ANGLE WITH RESPECT TO A PERPENDICULAR TO THE SIDE EDGES OF THE STRIP SAID STRIP HAVING A PLURALITY OF CORNER PORTIONS INCLUDING AT LEAST THREE CORNER PORTIONS DEFINING GENERALLY A CIRCLE VIEWED FROM THE END OF THE CONDUIT, SAID CORNER PORTIONS DISPOSED LONGITUDINALLY APART FROM EACH OTHER AND POSITIONED ANNULARLY AROUND THE INNER WALL OF THE CONDUIT.
Claim 2
Dependent Claim
150 words
A TURBULATOR FOR AN ELONGATED FLUID CONDUIT HAVING SUBSTANTIALLY A CYLINDRICAL INNER WALL, SAID TURBULATOR BEING INSERTABLE GENERALLY LONGITUDINALLY WITHIN SAID CONDUIT AND COMPRISING A STRIP OF METAL INCLUDING A PLURALITY OF GENERALLY ZIG-ZAG DELECTING MEANS AGAINST WHICH THE FLUID FLOWS, SAID MEANS HAVING END PORTIONS JOINED TOGETHER TO FORM A CORNER PORTION BETWEEN THE RESPECTIVE JOINED MEANS, THE JOINED MEANS AT THE RESPECTIVE CORNER PORTIONS HAVING SIDE EDGES DEFINING AN OBTUSE INCLUDED ANGLE THEREBETWEEN, THE JOINED MEANS AT THE RESPECTIVE CORNER PORTIONS MEETING TO DEFINE A TRANSVERSE AXIS DISPOSED AT AN OBLIQUE ANGLE WITH RESPECT TO A PERPENDICULAR TO THE SIDE EDGES OF THE STRIP SAID STRIP HAVING A PLURALITY OF CORNER PORTIONS INCLUDING AT LEAST THREE CORNER PORTIONS DEFINING GENERALLY A CIRCLE VIEWED FROM THE END OF THE CONDUIT, SAID CORNER PORTIONS DISPOSED LONGITUDINALLY APART FROM EACH OTHER AND POSITIONED ANNULARLY AROUND THE INNER WALL OF THE CONDUIT.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |