Patent US20030125801A1 successfully refreshed from Google Patents.
US772583A
Expired / Lapsed
US
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Combined clean-out, backwater-trap, and cellar-drain.
Assignee: Individual
•
Filing: 1904-06-15
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Granted: 1904-10-18
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Expires: 1924-06-15
Abstract
No abstract record available.
Inventors
- 👤 Frank Shay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:31
CPC Classifications
F; F02; F02M; F02M1/00; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6031; Y10T137/6035; Y10T137/6038; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6988; Y10T137/7287; Y10T137/7358; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/7912
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) | 1907-10-18 | 1908-04-18 | 1908-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-10-18 | 1912-04-18 | 1912-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-10-18 | 1916-04-18 | 1916-10-18 | $7700.00 | Window Closed / Lapsed |