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US1706131A
Expired / Lapsed
US
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Pipe connection
Assignee: Superheater Co Ltd
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Filing: 1926-01-28
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Granted: 1929-03-19
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Expires: 1946-01-28
Abstract
No abstract record available.
Inventors
- 👤 Earl A Averill
- 👤 Joseph F Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:22
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/08
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) | 1932-03-18 | 1932-09-17 | 1933-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-03-18 | 1936-09-17 | 1937-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-03-18 | 1940-09-17 | 1941-03-19 | $7700.00 | Window Closed / Lapsed |