US3095347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating material and the like
Assignee: Johns Manville Perlite Corp
•
Filing: 1958-09-11
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Granted: 1963-06-25
•
Expires: 1978-09-11
Abstract
No abstract record available.
Inventors
- 👤 Norbert V Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:34
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/16; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2462255A
Cited
US2626864A
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US2634208A
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US2634207A
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US2580076A
Cited
US2705198A
Cited
US2699097A
Cited
US2971878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |