US3341889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for shaping thermoplastic sheets
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1964-10-21
•
Granted: 1967-09-19
•
Expires: 1984-10-21
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Miller
- 👤 Lawrence C Wheat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:15
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10981; Y; Y10; Y10S; Y10S425/00; Y10S425/20; Y10S425/201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
APPARATUS FOR SHAPING THERMOPLASTIC SHEETS COMPRISING, (A) A SUBSTANTIALLY HORIZONTAL SUPPORTING TABLE, (B) A SOURCE OF PLASTIC INCLUDING MEANS LOCATED AT ONE SIDE OF THE TABLE FOR SUPPORTING SUBSTANTIALLY CONTINUOUS PLASTIC SHEETING, (C) A PLASTIC SHAPING FRAME HORIZONTALLY SUPPORTED ON SAID TABLE, (D) MEANS FOR RECEIVING THE PLASTIC SHEETING FROM SAID SOURCE OF SUPPLY AND CONVEYING IT OVER THE TABLE AND FRAME, (E) MEANS FOR CLAMPING THE FREE END OF THE SHEETING IN THE FRAME, (F) MEANS FOR CREATING LENGTHWISE TENSION IN THE SHEETING.
Claim 2
Dependent Claim
84 words
APPARATUS FOR SHAPING THERMOPLASTIC SHEETS COMPRISING, (A) A SUBSTANTIALLY HORIZONTAL SUPPORTING TABLE, (B) A SOURCE OF PLASTIC INCLUDING MEANS LOCATED AT ONE SIDE OF THE TABLE FOR SUPPORTING SUBSTANTIALLY CONTINUOUS PLASTIC SHEETING, (C) A PLASTIC SHAPING FRAME HORIZONTALLY SUPPORTED ON SAID TABLE, (D) MEANS FOR RECEIVING THE PLASTIC SHEETING FROM SAID SOURCE OF SUPPLY AND CONVEYING IT OVER THE TABLE AND FRAME, (E) MEANS FOR CLAMPING THE FREE END OF THE SHEETING IN THE FRAME, (F) MEANS FOR CREATING LENGTHWISE TENSION IN THE SHEETING.
References Cited (Backward Citations)
US2062642A
Cited
US2370381A
Cited
US2711560A
Cited
US2700007A
Cited
US2783500A
Cited
US2885732A
Cited
US3025566A
Cited
US3277224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |