Patent US3078908A successfully refreshed from Google Patents.
US3078908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of leveling work material
Assignee: Individual
•
Filing: 1958-10-22
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Granted: 1963-02-26
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Expires: 1978-10-22
Abstract
No abstract record available.
Inventors
- 👤 Frederick K Maust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:26
CPC Classifications
B; B21; B21D; B21D1/00; B21D1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
THE METHOD OF TREATING SHEET AND STRIP MATERIAL IN BACKED-UP ROLLER LEVELERS, COMPRISING BENDING THE MATERIAL IN A MULTIPLICITY OF WAVES TRANSVERSELY TO THE DIRECTIONOF MOVEMENT OF THE MATERIAL BETWEEN TWO COOPERATING BANKS OF STRAIGHTENING ROLLS, FORMING A FIRST SERIES OF ALTERNATE HALF-WAVES OF VARYING TRANSVERSE AMPLITUDE IN THE WORK MATERIAL BY SELECTIVELY DEFLECTING ONE BANK OF STRAIGHTENING ROLLS TO STRETCH A FIRST GROUP OF SPACED APART LOCALIZED AREAS ACROSS THE WIDTH OF THE MATERIAL, FORMING A SECOND SERIES OF ALTERNATE HALF-WAVES OF VARYING TRANSVERSE AMPLITUDE IN THE WORK MATERIAL BY SELECTIVELY DEFLECTING THE OTHER BANK OF STRAIGHTENING ROLLS TO STRETCH A SECOND GROUP OF SPACED APART LOCALIZED AREAS ACROSS THE WIDTH OF THE MATERIAL, THE LOCALIZED AREAS OF SAID FIRST GROUP ALTERNATING UNIFORMLY ACROSS THE WIDTH OF THE MATERIAL AND LONGITUDINALLY OF THE AXIS OF THE STRAIGHTENING ROLLS WITH THE LOCALIZED AREAS OF SAID SECOND GROUP, AND ARRANGING BACK-UP ROLLERS OF THE FIRST AND SECOND BANKS OF STRAIGHTENING ROLLS IN SUCH MANNER AS TO COLLECTIVELY OPERATE TO FORM THE MATERIAL THE FULL WIDTH THEREOF.
Claim 2
Independent Claim
175 words
THE METHOD OF TREATING SHEET AND STRIP MATERIAL IN BACKED-UP ROLLER LEVELERS, COMPRISING BENDING THE MATERIAL IN A MULTIPLICITY OF WAVES TRANSVERSELY TO THE DIRECTIONOF MOVEMENT OF THE MATERIAL BETWEEN TWO COOPERATING BANKS OF STRAIGHTENING ROLLS, FORMING A FIRST SERIES OF ALTERNATE HALF-WAVES OF VARYING TRANSVERSE AMPLITUDE IN THE WORK MATERIAL BY SELECTIVELY DEFLECTING ONE BANK OF STRAIGHTENING ROLLS TO STRETCH A FIRST GROUP OF SPACED APART LOCALIZED AREAS ACROSS THE WIDTH OF THE MATERIAL, FORMING A SECOND SERIES OF ALTERNATE HALF-WAVES OF VARYING TRANSVERSE AMPLITUDE IN THE WORK MATERIAL BY SELECTIVELY DEFLECTING THE OTHER BANK OF STRAIGHTENING ROLLS TO STRETCH A SECOND GROUP OF SPACED APART LOCALIZED AREAS ACROSS THE WIDTH OF THE MATERIAL, THE LOCALIZED AREAS OF SAID FIRST GROUP ALTERNATING UNIFORMLY ACROSS THE WIDTH OF THE MATERIAL AND LONGITUDINALLY OF THE AXIS OF THE STRAIGHTENING ROLLS WITH THE LOCALIZED AREAS OF SAID SECOND GROUP, AND ARRANGING BACK-UP ROLLERS OF THE FIRST AND SECOND BANKS OF STRAIGHTENING ROLLS IN SUCH MANNER AS TO COLLECTIVELY OPERATE TO FORM THE MATERIAL THE FULL WIDTH THEREOF.
References Cited (Backward Citations)
US2733750A
Cited
US637466A
Cited
US730549A
Cited
US2185481A
Cited
DE724823C
Cited
US2273122A
Cited
US2347904A
Cited
US2438240A
Cited
US2638143A
Cited
US2878778A
Cited
US2718827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |