US3248257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame-resistant mineral fiber tile
Assignee: WOODS CONVERSION Co
•
Filing: 1960-10-24
•
Granted: 1966-04-26
•
Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 John E Cadotte
- 👤 Edward W Juntti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:26
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B28/00; C04B41/45; C04B41/50; E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
FLAME-RESISTANT MINERAL FIBER TILE COMPRISING AN INTEGRAL FIBER FELT HAVING SODIUM ALUMINATE ON MINERAL FIBERS AT A FACE THEREOF.
Claim 2
Dependent Claim
19 words
FLAME-RESISTANT MINERAL FIBER TILE COMPRISING AN INTEGRAL FIBER FELT HAVING SODIUM ALUMINATE ON MINERAL FIBERS AT A FACE THEREOF.
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |