Patent FR935158A successfully refreshed from Google Patents.
US3480125A
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Fibrous insulating materials and channels lined with same
Assignee: Morgan Refractories Ltd
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Filing: 1966-03-23
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Granted: 1969-11-25
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Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 Malcolm Donald Ash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:24
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; B; B22; B22C; B22C23/00; B22C23/02; B22D; B22D35/00; B22D35/04; C04B41/45; C04B41/50; C04B41/5025; C04B41/5035; C04B41/5076; C04B41/5089; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/92; E04B1/94; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24926; Y10T428/24942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |