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US1109740A
Expired / Lapsed
US
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Combined floor-drain and hopper.
Assignee: Individual
•
Filing: 1912-11-25
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Granted: 1914-09-08
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Expires: 1932-11-25
Abstract
No abstract record available.
Inventors
- 👤 George J Dehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:11
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/0401; E03F5/0404; E03F5/0407; E03F5/0409; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4471; Y10T137/4478; Y10T137/4501; Y10T137/4508; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6988; Y10T137/8593; Y10T137/87571; Y10T137/87676
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) | 1917-09-07 | 1918-03-09 | 1918-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-09-07 | 1922-03-09 | 1922-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-09-07 | 1926-03-09 | 1926-09-08 | $7700.00 | Window Closed / Lapsed |