US3216059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing fiberboard sheets
Assignee: Individual
•
Filing: 1962-09-27
•
Granted: 1965-11-09
•
Expires: 1982-09-27
Abstract
No abstract record available.
Inventors
- 👤 Voelskow Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:53
CPC Classifications
B; B27; B27N; B27N5/00; B27N3/00; B27N3/08; B27N3/24; B27N3/26; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B30; B30B; B30B11/00; B30B11/18; B30B15/00; B30B15/30; B30B15/302; B30B15/308; B29K; B29K2105/00; B29K2105/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A DEVICE FOR PRODUCING PLATES WITH A RECURRING PATTERN OF SURFACE DEFORMATIONS FROM A LOOSE NONCOHERENT MASS OF FIBROUS CELLULOSIC MATERIAL ADMIXED WITH A BINDER, COMPRISING A PAIR OF COMPLEMENTARILY PROFILED ROTATABLE FORMING ELEMENTS WITH JUXTAPOSED ENDLESS COMPRESSION SURFACES DEFINED BY GENERALLY PARALLEL GENERATICES AND SEPARATED AT THEIR POINT OF CLOSEST APPROACH BY A CLEARANCE SUBSTANTIALLY CORRESPONDING TO THE THICKNESS OF THE PLATES TO BE PRODUCED; DRIVE MEANS FOR CONCURRENTLY ROTATING SAID ELEMENTS AT IDENTICAL PERIPHERAL SPEEDS; GUIDE MEANS INCLUDING SAID ELEMENTS FORMING A GAP OF PROGRESSIVELY
Claim 2
Independent Claim
87 words
A DEVICE FOR PRODUCING PLATES WITH A RECURRING PATTERN OF SURFACE DEFORMATIONS FROM A LOOSE NONCOHERENT MASS OF FIBROUS CELLULOSIC MATERIAL ADMIXED WITH A BINDER, COMPRISING A PAIR OF COMPLEMENTARILY PROFILED ROTATABLE FORMING ELEMENTS WITH JUXTAPOSED ENDLESS COMPRESSION SURFACES DEFINED BY GENERALLY PARALLEL GENERATICES AND SEPARATED AT THEIR POINT OF CLOSEST APPROACH BY A CLEARANCE SUBSTANTIALLY CORRESPONDING TO THE THICKNESS OF THE PLATES TO BE PRODUCED; DRIVE MEANS FOR CONCURRENTLY ROTATING SAID ELEMENTS AT IDENTICAL PERIPHERAL SPEEDS; GUIDE MEANS INCLUDING SAID ELEMENTS FORMING A GAP OF PROGRESSIVELY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |