US3086878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for fissuring acoustical fiberboards
Assignee: Minnesota and Ontario Paper Co
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Filing: 1960-11-01
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Granted: 1963-04-23
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Expires: 1980-11-01
Abstract
No abstract record available.
Inventors
- 👤 Edgar A Lauring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:28
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; D; D21; D21J; D21J1/00; D21J1/08; E04B2001/8245; E04B2001/8457; E04B2001/8476; E04B2001/848; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A METHOD OF FABRICATING A SERIES OF LIGNOCELLULOSE SOUND-ABSORBING UNITS HAVING DECORATIVE SURFACES, CONSISTING OF APPLYING A FILM FORMING COATING COMPOSITION TO A SERIES OF LIGNOCELLULOSE FIBERBOARDS, DRYING THE COATING COMPOSITION, MECHANICALLY PUNCHING OPENINGS THROUGH THE COATING AND INTO THE FIBERBOARDS, CONTINUOUSLY VARYING THE POSITION OF THE MECHANICAL PUNCHING MEANS RELATIVELY TO CONSECUTIVE FIBERBOARDS OF THE SERIES TO VARY THE DEPTH OF THE OPENINGS IN THE SAID CONSECUTIVE FIBERBOARDS OF THE SERIES AND THEREAFTER APPLYING A COATING COMPOSITION TO THE FIBERBOARD SURFACE AND TO THE BOTTOM OF THE OPENINGS.
Claim 2
Dependent Claim
90 words
IN A METHOD OF FABRICATING A SERIES OF LIGNOCELLULOSE SOUND-ABSORBING UNITS HAVING DECORATIVE SURFACES, CONSISTING OF APPLYING A FILM FORMING COATING COMPOSITION TO A SERIES OF LIGNOCELLULOSE FIBERBOARDS, DRYING THE COATING COMPOSITION, MECHANICALLY PUNCHING OPENINGS THROUGH THE COATING AND INTO THE FIBERBOARDS, CONTINUOUSLY VARYING THE POSITION OF THE MECHANICAL PUNCHING MEANS RELATIVELY TO CONSECUTIVE FIBERBOARDS OF THE SERIES TO VARY THE DEPTH OF THE OPENINGS IN THE SAID CONSECUTIVE FIBERBOARDS OF THE SERIES AND THEREAFTER APPLYING A COATING COMPOSITION TO THE FIBERBOARD SURFACE AND TO THE BOTTOM OF THE OPENINGS.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |