Patent US1049542A successfully refreshed from Google Patents.
US1049542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugated metal casing for culverts, drainage-tiling, &c.
Assignee: SMITH METAL PERFORATING Co
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Filing: 1912-04-09
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Granted: 1913-01-07
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Expires: 1932-04-09
Abstract
No abstract record available.
Inventors
- 👤 Andrew Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/02; F16L19/0212; F16L19/0225; Y; Y10; Y10S; Y10S285/00; Y10S285/903
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) | 1916-01-07 | 1916-07-08 | 1917-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-01-07 | 1920-07-08 | 1921-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-01-07 | 1924-07-08 | 1925-01-07 | $7700.00 | Window Closed / Lapsed |