US1033544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam-strainer.
Assignee: Individual
•
Filing: 1911-07-08
•
Granted: 1912-07-23
•
Expires: 1931-07-08
Abstract
No abstract record available.
Inventors
- 👤 George W Collin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:43
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/021; F01N3/0211; A; A47; A47L; A47L9/00; A47L9/20
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) | 1915-07-23 | 1916-01-22 | 1916-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-07-23 | 1920-01-22 | 1920-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-07-23 | 1924-01-22 | 1924-07-23 | $7700.00 | Window Closed / Lapsed |