US3268642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and device for making pressboards and the like
Assignee: Niederrheinische Maschinenfabrik Becker and Van Hullen
•
Filing: 1963-04-05
•
Granted: 1966-08-23
•
Expires: 1983-04-05
Abstract
No abstract record available.
Inventors
- 👤 Hutter Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:58
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/20; B30; B30B; B30B7/00; B30B7/02; B30B7/023; Y; Y10; Y10S; Y10S425/00; Y10S425/20; Y10S425/201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A METHOD OF MAKING PRESSBOARDS, THE STEPS OF: PLACING MATERIAL TO BE PRESSED TO A PRESSBOARD BETWEEN A RESPECTIVE BOTTOM PLATE AND A RESPECTIVE TOP PLATE IN EACH OF TWO STATIONS, SUCCESSIVLEY PRE-PRESSING EACH THUS OBTAINED ASSEMBLY, COLLECTING THE PRE-PRESSED ASSEMBLIES IN GROUPS, HOT PRESSING, AND COOLING THE THUS OBTAIND GROUP OC ASSEMBLIES; SUCCESSIVELY REMOVING THE TOP PLATE OF EACH ASEMBLY OF AID GROUP, LIFTING THE OBTAINED PRESSBOARD OFF EACH RESPEECTIVE BOTTOM PLATE OF SAID GROUP, CONVEYING SAID BOTTOM PALTES TO RESPECTIVE ONES OF SAID TWO STATIONS FOR LOADING THE BOTTOM PLATES WITH NEW MATERIAL TO BE PRESSED.
Claim 2
Dependent Claim
99 words
IN A METHOD OF MAKING PRESSBOARDS, THE STEPS OF: PLACING MATERIAL TO BE PRESSED TO A PRESSBOARD BETWEEN A RESPECTIVE BOTTOM PLATE AND A RESPECTIVE TOP PLATE IN EACH OF TWO STATIONS, SUCCESSIVLEY PRE-PRESSING EACH THUS OBTAINED ASSEMBLY, COLLECTING THE PRE-PRESSED ASSEMBLIES IN GROUPS, HOT PRESSING, AND COOLING THE THUS OBTAIND GROUP OC ASSEMBLIES; SUCCESSIVELY REMOVING THE TOP PLATE OF EACH ASEMBLY OF AID GROUP, LIFTING THE OBTAINED PRESSBOARD OFF EACH RESPEECTIVE BOTTOM PLATE OF SAID GROUP, CONVEYING SAID BOTTOM PALTES TO RESPECTIVE ONES OF SAID TWO STATIONS FOR LOADING THE BOTTOM PLATES WITH NEW MATERIAL TO BE PRESSED.
References Cited (Backward Citations)
BE495265A
Cited
US2923968A
Cited
FR1024941A
Cited
US2740990A
Cited
FR1068407A
Cited
US3026570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |