US3486704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for scrap metal reduction
Assignee: SHARONIZED STEEL CO
•
Filing: 1965-08-27
•
Granted: 1969-12-30
•
Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Nathan N Persky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:04
CPC Classifications
B; B23; B23D; B23D31/00; B23D31/008; B02; B02C; B02C18/00; B02C18/0084; C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3283698A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |