US1669586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drainage fitting
Assignee: Individual
•
Filing: 1927-07-09
•
Granted: 1928-05-15
•
Expires: 1947-07-09
Abstract
No abstract record available.
Inventors
- 👤 Edward W N Boosey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:58
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/0407; E03F5/0409; E03F2005/0412; E03F2005/0413; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86236
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1931-05-15 | 1931-11-14 | 1932-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-05-15 | 1935-11-14 | 1936-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-05-15 | 1939-11-14 | 1940-05-15 | $7700.00 | Window Closed / Lapsed |