US2784418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-compartment sink insert
Assignee: Individual
•
Filing: 1954-12-09
•
Granted: 1957-03-12
•
Expires: 1974-12-09
Abstract
No abstract record available.
Inventors
- 👤 Luoma Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:39
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/18; E03C1/186; E03C1/32; E03C1/33; Y; Y10; Y10S; Y10S241/00; Y10S241/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US759696A
Cited
US943750A
Cited
US1116913A
Cited
CH186206A
Cited
US2520486A
Cited
DE814512C
Cited
US2594938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |