Patent US3740291A successfully refreshed from Google Patents.
US3740291A
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Method and apparatus for applying a coating to a tubular member
Assignee: SOUTHWEST GROWTH POOL Ltd A TEXAS LP
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Filing: 1971-01-20
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Granted: 1973-06-19
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Expires: 1991-01-20
Abstract
Abstract A METHOD AND APPARATUS FOR APPLYING A COATING UNDER COMPRESSION TO A TUBULAR MEMBER PERMITS IMPROVED ADHESION OF THE COATING TO THE TUBULAR MEMBER WITH IMPROVED CONSISTENCY AND STRENGTH OF THE APPLIED COATING, D R A W I N G
Inventors
- 👤 J Mallard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:48
CPC Classifications
B; B28; B28B; B28B19/00; B28B19/0038; B29; B29C; B29C63/00
Claims Analysis
Total Claims: 0
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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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |