US3533260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling of metal billets
Assignee: ROTARY PROFILE ANSTALT
•
Filing: 1967-08-14
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Granted: 1970-10-13
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Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Jacob Marcovitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:31
CPC Classifications
B; B21; B21D; B21D15/00; B21D15/04; B21D15/06; B21B; B21B1/00; B21B1/16; B21B1/42; B21B19/00; B21B19/12; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/20; B21C37/205; B21C37/207; B21H; B21H1/00; B21H1/18; B21H5/00; B21H5/005; B21H7/00; B21H7/10; B21B45/00; B21B45/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |