US3015626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating composition
Assignee: Individual
•
Filing: 1959-09-29
•
Granted: 1962-01-02
•
Expires: 1979-09-29
Abstract
No abstract record available.
Inventors
- 👤 John C Kingsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:51
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B28/00; C04B28/24; C04B28/26; E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
A LIGHT WEIGHT INSULATING COMPOSITION CONSISTING ESSENTAILLY OF EXPANDED PERLITE PARTICLES COMPRISING 3065% BY WEIGHT OF THE COMPOSITION, DELAMINATED EXFOLIATED VERMICULITE PARTICLES COMPRISING 15-50% BY WEIGHT OF THE COMPOSITION, FIBERS COMPRISING 10-25% BY WEIGHT OF THE COMPOSITION, AND A BINDER COMPRISING 1020% BY WEIGHT OF THE COMPOSITION, SAID PERLITE BEING PRESENT AS ESSENTIALLY DISCRETE CELLULAR PARTICLES NOT LARGER THAN ABOUT 20-MESH PARTICLE SIZE, SAID VERMICULITE BEING PRESENT AS THIN, FLAT PARTICLES, AND SAID EXPANDED PERLITE, DELAMINATED VERMICULITE, FIBERS AND BINDER COMPONENTS EACH BEING INTIMATELY AND UNIFORMLY DISTRIBUTED THROUGHOUT THE COMPOSITION.
References Cited (Backward Citations)
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Cited
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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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |