US3258032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating
Assignee: United States Steel Corp
•
Filing: 1961-07-14
•
Granted: 1966-06-28
•
Expires: 1981-07-14
Abstract
No abstract record available.
Inventors
- 👤 Whittier Frederick
- 👤 Susan J Shideler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:13
CPC Classifications
F; F16; F16L; F16L58/00; F16L58/02; F16L58/04; F16L58/12; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24421; Y10T428/2443
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
46 words
A PIPE HAVING A SETTABLE RESIN PROTECTIVE COATING ON A SURFACE THEREOF, A SINGLE PARTICLE THICK LAYER OF A GRANULAR FILLER AT LEAST PARTIALLY EMBEDDED IN SAID COATING, AND A TAPE SEPARATED FROM SAID SURFACE BY SAID FILLER, SAID FILLER ALSO BEING ADHERED TO SAID TAPE.
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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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |