US3080242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous aluminum borate and its preparation
Assignee: EIDP Inc
•
Filing: 1959-03-25
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Granted: 1963-03-05
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Expires: 1979-03-25
Abstract
No abstract record available.
Inventors
- 👤 Berry Kenneth Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:22
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/08; C01B35/10; C01B35/06; C01B35/12; C04; C04B; C04B35/00; C04B35/622; C04B35/62227; C04B35/62231; C04B35/62236
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN INORGANIC FIBER CONSISTING ESSENTIALLY OF ALUMINUM BORATE HAVING THE COMPOSITION (AL203)3NO.4B203 WHERE N IS A POSITIVE INTEGER NOT GREATER THAN 2, SAID FIBER HAVING A RATIO OF LENGTH TO WIDTH OF AT LEAST 10 TO 1 WHEREIN SAID WIDTH IS NO GREATER THAN 25 MICRONS AND HAVING SUFFICIENT FLEXIBILITY TO BE FELTED.
Claim 2
Dependent Claim
53 words
AN INORGANIC FIBER CONSISTING ESSENTIALLY OF ALUMINUM BORATE HAVING THE COMPOSITION (AL203)3NO.4B203 WHERE N IS A POSITIVE INTEGER NOT GREATER THAN 2, SAID FIBER HAVING A RATIO OF LENGTH TO WIDTH OF AT LEAST 10 TO 1 WHEREIN SAID WIDTH IS NO GREATER THAN 25 MICRONS AND HAVING SUFFICIENT FLEXIBILITY TO BE FELTED.
References Cited (Backward Citations)
US2118143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |