US3371599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrap compressing apparatus for electric furnaces
Assignee: Individual
•
Filing: 1965-10-22
•
Granted: 1968-03-05
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Tezuka Kunitoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:15
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/32; B30B9/328; C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124062A
Cited
US1813040A
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US2507491A
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US3005403A
Cited
US3141401A
Cited
US3129656A
Cited
US3249039A
Cited
US3253537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |