Patent US2421064A successfully refreshed from Google Patents.
US2421064A
Expired / Lapsed
US
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Garbage disposal device
Assignee: Individual
•
Filing: 1944-10-09
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Granted: 1947-05-27
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Expires: 1964-10-09
Abstract
No abstract record available.
Inventors
- 👤 Frank T Hilliker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:36
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/266; E03C1/2665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190926603A
Cited
US1416204A
Cited
GB307561A
Cited
GB328483A
Cited
US1794214A
Cited
US1867824A
Cited
US2067161A
Cited
US2265758A
Cited
US2286520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-26 | 1950-11-25 | 1951-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-26 | 1954-11-25 | 1955-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-26 | 1958-11-25 | 1959-05-27 | $7700.00 | Window Closed / Lapsed |