US2711560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for distorting plastic sheets
Assignee: Libbey Owens Ford Glass Co
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Filing: 1951-10-30
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Granted: 1955-06-28
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Expires: 1971-10-30
Abstract
No abstract record available.
Inventors
- 👤 Robert R Beckham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:16
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; B; B29; B29C; B29C67/00; B29C67/0011; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN APPARATUS FOR DISTORTING A PALSTIC SHEET TO A DESIRED SHAPE, A FLEXIBLE OPEN FRAME COMPRISING A PLURALITY OF RAILS ARRANGED IN END TO END RELATION AND UPON WHICH SAID SHEET IS MOUNTED, MEANS FOR HINGING THE ENDS OF ADJACENT RAILS TOGETHER, A RIGID SHAPING FRAME, MEANS ON SAID SHAPING FRAME FOR SUPPORTING SAID FLEXIBLE FRAME, AND MEANS IN ADDITION TO SAID SUPPORTING MEANS ON SAID SHAPING FRAME FOR DISTORTING SAID FLEXIBLE FRAME WHILE THE SAME IS ON SAID SHAPING FRAME TO DISTORT SAID PLASTIC SHEET TO THE DESIRED SHAPE.
Claim 2
Dependent Claim
90 words
IN APPARATUS FOR DISTORTING A PALSTIC SHEET TO A DESIRED SHAPE, A FLEXIBLE OPEN FRAME COMPRISING A PLURALITY OF RAILS ARRANGED IN END TO END RELATION AND UPON WHICH SAID SHEET IS MOUNTED, MEANS FOR HINGING THE ENDS OF ADJACENT RAILS TOGETHER, A RIGID SHAPING FRAME, MEANS ON SAID SHAPING FRAME FOR SUPPORTING SAID FLEXIBLE FRAME, AND MEANS IN ADDITION TO SAID SUPPORTING MEANS ON SAID SHAPING FRAME FOR DISTORTING SAID FLEXIBLE FRAME WHILE THE SAME IS ON SAID SHAPING FRAME TO DISTORT SAID PLASTIC SHEET TO THE DESIRED SHAPE.
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) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |