Patent US741815A successfully refreshed from Google Patents.
US741815A
Expired / Lapsed
US
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Sink-trap.
Assignee: Individual
•
Filing: 1902-11-01
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Granted: 1903-10-20
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Expires: 1922-11-01
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:22
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/284; E03C1/288; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4471; Y10T137/4478; Y10T137/4501; Y10T137/4546
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) | 1906-10-19 | 1907-04-20 | 1907-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-10-19 | 1911-04-20 | 1911-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-10-19 | 1915-04-20 | 1915-10-20 | $7700.00 | Window Closed / Lapsed |