US2863204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coating method and apparatus
Assignee: SAUTHERN NATURAL GAS Co
•
Filing: 1955-03-08
•
Granted: 1958-12-09
•
Expires: 1975-03-08
Abstract
No abstract record available.
Inventors
- 👤 Patrick H Timothy
- 👤 Clarence W Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:32
CPC Classifications
F; F16; F16L; F16L58/00; F16L58/02; F16L58/16; B; B29; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/15; B29C48/151; B29C48/25; B29C48/92; B29C63/00; B29D; B29D23/00; B29D23/001; B29C63/02; B29C63/04; B29C63/08; B29C63/10; B29C63/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322464A
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US2053307A
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US2236757A
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US2186361A
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US2287836A
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US2369858A
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US2372162A
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US2414524A
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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) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |