US1044707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for air-suction pipes.
Assignee: HOUSTON MANUFACTURING Co
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Filing: 1911-01-30
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Granted: 1912-11-19
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Expires: 1931-01-30
Abstract
No abstract record available.
Inventors
- 👤 William S Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:52
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/22; F16L37/23; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6977
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) | 1915-11-19 | 1916-05-20 | 1916-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-11-19 | 1920-05-20 | 1920-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-11-19 | 1924-05-20 | 1924-11-19 | $7700.00 | Window Closed / Lapsed |