US3260093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip flattening device
Assignee: Individual
•
Filing: 1964-04-01
•
Granted: 1966-07-12
•
Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Natalis H Polakowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:15
CPC Classifications
B; B21; B21B; B21B1/00; B21B1/22; B21B1/222; B21D; B21D1/00; B21D1/05; B21F; B21F1/00; B21F1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A DEVICE FOR THE FLATTENING OF METAL STRIP COMPRISING A PLURALITY OF STRIP FLEXING ROLLERS, ADJACENT FLEXING ROLLERS BEING DISPOSED ALONG A GENERALLY HORIZONTAL PLANE WHEREBY SAID STRIP CAN BE FED THROUGH SAID DEVICE IN A SUBSTANTIALLY SINUOUS PATH FOR FLEXING IN ALTERNATE DIRECTIONS OVER CONSECUTIVE FLEXING ROLLS, LARGE SUPPORT ROLLS ENGAGING SAID FLEXING ROLLS ON THE SIDE OPPOSITE THE SIDE IN CONTACT WITH THE STRIP, AND WHEREIN SAID FLEXING ROLLS ARE
Claim 2
Independent Claim
72 words
A DEVICE FOR THE FLATTENING OF METAL STRIP COMPRISING A PLURALITY OF STRIP FLEXING ROLLERS, ADJACENT FLEXING ROLLERS BEING DISPOSED ALONG A GENERALLY HORIZONTAL PLANE WHEREBY SAID STRIP CAN BE FED THROUGH SAID DEVICE IN A SUBSTANTIALLY SINUOUS PATH FOR FLEXING IN ALTERNATE DIRECTIONS OVER CONSECUTIVE FLEXING ROLLS, LARGE SUPPORT ROLLS ENGAGING SAID FLEXING ROLLS ON THE SIDE OPPOSITE THE SIDE IN CONTACT WITH THE STRIP, AND WHEREIN SAID FLEXING ROLLS ARE
References Cited (Backward Citations)
US2060400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |