US3073499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press for forming continuous planar thermoplastic sheet material
Assignee: Warner Brothers Co
•
Filing: 1958-10-28
•
Granted: 1963-01-15
•
Expires: 1978-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl W Middleton
- 👤 Earl F Middleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:00
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/18; Y; Y10; Y10S; Y10S425/00; Y10S425/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
PLANAR SHEET FEEDING MEANS FOR USE IN CONJUNCTION WITH A SHAPING PRESS OR SIMILAR DEVICE COMPRISING: A CHAIN ELEMENT, SAID CHAIN ELEMENT HAVING A PLURALITY OF GRIPPING LINKS ADAPTED TO ENGAGE OPPOSED SURFACES OF SAID SHEET MATERIAL, MEANS FOR SUPPORTING AND DRIVING SAID CHAIN ELEMENT TO PRESENT A SEGMENT OF THE SAME TO LIE WITHIN THE PLANE OF TRAVEL OF SAID PLANAR SHEET MATERIAL; MEANS FOR CLOSING SAID GRIPPING LINKS AT A FIRST POINT ALONG SAID SEGMENT, AND MEANS FOR OPENING SAID GRIPPING LINKS AT A SECOND POINT ALONG SAID SEGMENT; AND MEANS FOR INTERMITTENTLY GRIPPING A SECOND SEGMENT OF SAID CHAIN TO ADVANCE SAID CHAIN IN SUBSTANTIALLY UNIFORM INCREMENTS.
Claim 2
Dependent Claim
110 words
PLANAR SHEET FEEDING MEANS FOR USE IN CONJUNCTION WITH A SHAPING PRESS OR SIMILAR DEVICE COMPRISING: A CHAIN ELEMENT, SAID CHAIN ELEMENT HAVING A PLURALITY OF GRIPPING LINKS ADAPTED TO ENGAGE OPPOSED SURFACES OF SAID SHEET MATERIAL, MEANS FOR SUPPORTING AND DRIVING SAID CHAIN ELEMENT TO PRESENT A SEGMENT OF THE SAME TO LIE WITHIN THE PLANE OF TRAVEL OF SAID PLANAR SHEET MATERIAL; MEANS FOR CLOSING SAID GRIPPING LINKS AT A FIRST POINT ALONG SAID SEGMENT, AND MEANS FOR OPENING SAID GRIPPING LINKS AT A SECOND POINT ALONG SAID SEGMENT; AND MEANS FOR INTERMITTENTLY GRIPPING A SECOND SEGMENT OF SAID CHAIN TO ADVANCE SAID CHAIN IN SUBSTANTIALLY UNIFORM INCREMENTS.
References Cited (Backward Citations)
US1050857A
Cited
US2017459A
Cited
US2120328A
Cited
US2229613A
Cited
US2473404A
Cited
US2270187A
Cited
GB638135A
Cited
US2490781A
Cited
US2622401A
Cited
US2622874A
Cited
US2684769A
Cited
US2736150A
Cited
US2857158A
Cited
US2974366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |