US3357593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular wall structure
Assignee: Phillips Petroleum Co
•
Filing: 1965-12-20
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Granted: 1967-12-12
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold T Sears
- 👤 William E Wooten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:49
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/12; B65D1/14; B65D1/16; B65D1/165; F; F16; F16L; F16L9/00; F16L9/12; F16L9/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
AN INTEGRAL REINFORCING STRUCTURE FOR TUBULAR MEMBERS, AND STRUCTURE COMPRISING AN INTEGRAL NETWORK OF CROSS-HATCHED CONTINUOUS SURFACE DEFORMATIONS OF THE TOTAL SIDE WALL THICKNESS OF SAID TUBULAR MEMBER EXTENDING ABOUT THE CIRCUMFERENCE OF SAID TUBULAR MEMBER.
Claim 2
Dependent Claim
36 words
AN INTEGRAL REINFORCING STRUCTURE FOR TUBULAR MEMBERS, AND STRUCTURE COMPRISING AN INTEGRAL NETWORK OF CROSS-HATCHED CONTINUOUS SURFACE DEFORMATIONS OF THE TOTAL SIDE WALL THICKNESS OF SAID TUBULAR MEMBER EXTENDING ABOUT THE CIRCUMFERENCE OF SAID TUBULAR MEMBER.
References Cited (Backward Citations)
US3166829A
Cited
GB978982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |