US2947647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fissured coated fiberboard and method of manufacture
Assignee: Minnesota and Ontario Paper Co
•
Filing: 1958-09-24
•
Granted: 1960-08-02
•
Expires: 1978-09-24
Abstract
No abstract record available.
Inventors
- 👤 John C Hart
- 👤 Edgar A Lauring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:20
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B2111/00; C04B2111/00474; C04B2111/00482; C04B2111/52; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24471
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
AN ACOUSTICAL TILE COMPRISING A BASEBOARD HAVING A LAYER OF FOAMED AND FISSURE COMPOSITION THEREON, THE SAID FISSURES EXTENDING INWARDLY FROM A SURFACE AND HAVING SLOPING WALLS WITH FIBERS EXTENDING ACROSS THE FISSURES, SAID COMPOSITION CONTAINING ABOUT 5 TO ABOUT 15 PARTS OF A BENTONITE, A NON-OIL BINDER AND A FILLER PIGMENT.
References Cited (Backward Citations)
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US2838806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |