US733748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewer-gas and backwater trap and tide and flushing gate.
Assignee: GEORGE C DALLAMORE
•
Filing: 1902-10-28
•
Granted: 1903-07-14
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Expires: 1922-10-28
Abstract
No abstract record available.
Inventors
- 👤 Frank W Rathbun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:25
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; Y10T137/7504; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7901; Y10T137/7903
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) | 1906-07-13 | 1907-01-12 | 1907-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-07-13 | 1911-01-12 | 1911-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-07-13 | 1915-01-12 | 1915-07-14 | $7700.00 | Window Closed / Lapsed |