US3275785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for manufacturing well screens
Assignee: Individual
•
Filing: 1963-10-17
•
Granted: 1966-09-27
•
Expires: 1983-10-17
Abstract
No abstract record available.
Inventors
- 👤 Hill D Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:44
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; B23K11/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
APPARATUS FOR MANUFACTURING WELL SCREENS, COMPRISING MANDREL MEANS COMPRISING AN AXIAL SHAFT HAVING SPACED FLANGES THEREON FOR SUPPORTING A PLURALITY OF CIRCUMFERENTIALLY SPACED PARALLEL LONGITUDINAL METAL RIBS ABUT A COMMON AXIS, SAID RIBS EXTENDING BETWEEN SAID FLANGES SPACED OUTWARDLY OF SAID SHAFT, MEANS FOR ROTATING SAID RIBS ABOUT SAID AXIS, MEANS FOR MOVING SAID RIBS LONGITUDINALLY DURING SAID ROTATION THEREOF, FIXED MEANS FOR WINDING METAL WIRE MEANS HELICALLY ABOUT SAID RIBS WHILE SAID RIBS ARE MOVING LONGITUDINALLY AND ROTATING, LONGITUDINALLY FIXED ANVIL MEANS COAXIAL WITH AXIS AND ROTATABLE WITH SAID RIBS IN CONTACT WITH THE INNER SIDE OF
Claim 2
Dependent Claim
98 words
APPARATUS FOR MANUFACTURING WELL SCREENS, COMPRISING MANDREL MEANS COMPRISING AN AXIAL SHAFT HAVING SPACED FLANGES THEREON FOR SUPPORTING A PLURALITY OF CIRCUMFERENTIALLY SPACED PARALLEL LONGITUDINAL METAL RIBS ABUT A COMMON AXIS, SAID RIBS EXTENDING BETWEEN SAID FLANGES SPACED OUTWARDLY OF SAID SHAFT, MEANS FOR ROTATING SAID RIBS ABOUT SAID AXIS, MEANS FOR MOVING SAID RIBS LONGITUDINALLY DURING SAID ROTATION THEREOF, FIXED MEANS FOR WINDING METAL WIRE MEANS HELICALLY ABOUT SAID RIBS WHILE SAID RIBS ARE MOVING LONGITUDINALLY AND ROTATING, LONGITUDINALLY FIXED ANVIL MEANS COAXIAL WITH AXIS AND ROTATABLE WITH SAID RIBS IN CONTACT WITH THE INNER SIDE OF
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |