US647739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewer-trap and its connection and equipment.
Assignee: Individual
•
Filing: 1899-09-09
•
Granted: 1900-04-17
•
Expires: 1919-09-09
Abstract
No abstract record available.
Inventors
- 👤 James Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:28
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/042; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4471; Y10T137/4478; Y10T137/4493; Y10T137/4643; Y10T137/4666; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7903; Y10T137/8593; Y10T137/86292; Y10T137/863
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) | 1903-04-17 | 1903-10-17 | 1904-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-04-17 | 1907-10-17 | 1908-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-04-17 | 1911-10-17 | 1912-04-17 | $7700.00 | Window Closed / Lapsed |