US3018676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for rolling strip metal
Assignee: Individual
•
Filing: 1956-12-31
•
Granted: 1962-01-30
•
Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Natalis H Polakowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:26
CPC Classifications
B; B21; B21B; B21B1/00; B21B1/22; B21B1/30; B21B31/00; B21B31/16; B21B31/20; B21B2031/206; B21B2269/00; B21B2269/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB512667A
Cited
US2332289A
Cited
US2601792A
Cited
US2651954A
Cited
GB681373A
Cited
GB692267A
Cited
US2680978A
Cited
US2792730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |