US961343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fresh-air-inlet trap.
Assignee: Individual
•
Filing: 1909-09-28
•
Granted: 1910-06-14
•
Expires: 1929-09-28
Abstract
No abstract record available.
Inventors
- 👤 George R Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:30
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/294; E03C1/295; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/3222; Y10T137/3258; Y10T137/4456; Y10T137/4463; Y10T137/4523; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/8158; Y10T137/8359
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) | 1913-06-13 | 1913-12-13 | 1914-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-06-13 | 1917-12-13 | 1918-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-06-13 | 1921-12-13 | 1922-06-14 | $7700.00 | Window Closed / Lapsed |