US950341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating metal pipes.
Assignee: ENAMELED METALS Co
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Filing: 1908-08-08
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Granted: 1910-02-22
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Expires: 1928-08-08
Abstract
No abstract record available.
Inventors
- 👤 John S Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:42
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/1228; B29C44/1242; B29C44/1247; B21; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/09; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49888; Y10T29/4998; Y10T29/49982; Y10T29/49986
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) | 1913-02-21 | 1913-08-23 | 1914-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-02-21 | 1917-08-23 | 1918-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-02-21 | 1921-08-23 | 1922-02-22 | $7700.00 | Window Closed / Lapsed |