Patent US1240098A successfully refreshed from Google Patents.
US1240098A
Expired / Lapsed
US
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Pipe or well-casing.
Assignee: WESTERN PIPE AND STEEL Co OF CALIFORNIA
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Filing: 1916-12-28
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Granted: 1917-09-11
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Expires: 1936-12-28
Abstract
No abstract record available.
Inventors
- 👤 Morgan L Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:46
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; Y; Y10; Y10T; Y10T24/00; Y10T24/10
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) | 1920-09-10 | 1921-03-12 | 1921-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-09-10 | 1925-03-12 | 1925-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-09-10 | 1929-03-12 | 1929-09-11 | $7700.00 | Window Closed / Lapsed |