US3148409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material treating machine
Assignee: TROCKENTECHNIK KURT BRUCKNER KG
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Filing: 1962-03-20
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Granted: 1964-09-15
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Expires: 1982-03-20
Abstract
No abstract record available.
Inventors
- 👤 Bruckner Gernot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:13
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/10; B29C55/12; B29C55/16; B29C55/165; B65; B65H; B65H23/00; B65H23/02; B65H23/022; B65H23/028; B29C55/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A STRETCHING MACHINE, THE COMBINATION WHICH COMPRISES: (A) A CHAIN COMPOSED OF PIVOTALLY INTERCONNECTED LINKS IN ZIGZAG ARRANGEMENT WHICH ALLOWS SAID LINKS TO BE FOLDED TOWARD EACH OTHER, SAID CHAIN CARRYING MEANS FOR HOLDING THE MATERIAL TO BE STRETCHED AS WELL AS TWO ROWS OF ENGAGING ELEMENTS EACH OF WHICH ROWS EXTENDS IN THE DIRECTION OF THE LENGTH OF SAID CHAIN; (B) GUIDE MEANS INCLUDING A PLURALITY OF RAILS FORMING TWO GUIDE SURFACES FOR LIMITING THE STRETCHING OF SAID CHAIN, EACH GUIDE SURFACE EXTENDING GENERALLY IN THE DIRECTION IN WHICH CHAIN IS TO TRAVEL, SAID GUIDE SURFACES FORMING AN ANGLE WITH EACH OTHER, THE ENGAGING ELEMENTS OF ONE OF SAID ROWS ENGAGING ONLY ONE OF SAID SURFACES AND THE ENGAGING ELEMENTS OF THE OTHER
Claim 2
Dependent Claim
125 words
IN A STRETCHING MACHINE, THE COMBINATION WHICH COMPRISES: (A) A CHAIN COMPOSED OF PIVOTALLY INTERCONNECTED LINKS IN ZIGZAG ARRANGEMENT WHICH ALLOWS SAID LINKS TO BE FOLDED TOWARD EACH OTHER, SAID CHAIN CARRYING MEANS FOR HOLDING THE MATERIAL TO BE STRETCHED AS WELL AS TWO ROWS OF ENGAGING ELEMENTS EACH OF WHICH ROWS EXTENDS IN THE DIRECTION OF THE LENGTH OF SAID CHAIN; (B) GUIDE MEANS INCLUDING A PLURALITY OF RAILS FORMING TWO GUIDE SURFACES FOR LIMITING THE STRETCHING OF SAID CHAIN, EACH GUIDE SURFACE EXTENDING GENERALLY IN THE DIRECTION IN WHICH CHAIN IS TO TRAVEL, SAID GUIDE SURFACES FORMING AN ANGLE WITH EACH OTHER, THE ENGAGING ELEMENTS OF ONE OF SAID ROWS ENGAGING ONLY ONE OF SAID SURFACES AND THE ENGAGING ELEMENTS OF THE OTHER
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |