Patent US1080649A successfully refreshed from Google Patents.
US244468A
Expired / Lapsed
US
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Air vent or inlet for plumbers traps
Assignee: —
•
Filing: —
•
Granted: 1881-07-19
•
Expires: 1898-07-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:38
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/294; E03C1/295; Y; Y10; Y10S; Y10S137/00; Y10S137/903; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/3222; Y10T137/3258; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888
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) | 1884-07-18 | 1885-01-17 | 1885-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-07-18 | 1889-01-17 | 1889-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-07-18 | 1893-01-17 | 1893-07-19 | $7700.00 | Window Closed / Lapsed |