US2679981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Garbage grinder
Assignee: NAT STEEL CONSTRUCTION CO
•
Filing: 1950-09-08
•
Granted: 1954-06-01
•
Expires: 1970-09-08
Abstract
No abstract record available.
Inventors
- 👤 Eisinga Dirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:42
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)
US978034A
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US1766325A
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US1898243A
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US2044548A
Cited
US2012680A
Cited
US2463843A
Cited
US2428420A
Cited
US2442812A
Cited
US2482125A
Cited
US2536930A
Cited
US2566721A
Cited
US2594250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |