Patent US1737446A successfully refreshed from Google Patents.
US1737446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lining of iron and steel pipes, tubes, and other hollow bodies
Assignee: Stewarts and Lloyds Ltd
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Filing: 1927-06-27
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Granted: 1929-11-26
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Expires: 1947-06-27
Abstract
No abstract record available.
Inventors
- 👤 Atha Charles Gurney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
B; B05; B05C; B05C7/00; B05C7/04; Y; Y10; Y10S; Y10S118/00; Y10S118/10
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) | 1932-11-25 | 1933-05-27 | 1933-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-25 | 1937-05-27 | 1937-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-25 | 1941-05-27 | 1941-11-26 | $7700.00 | Window Closed / Lapsed |