US3010177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing porous refractory insulating materials
Assignee: Thomas Marshall & Co (loxley) Ltd
•
Filing: 1957-12-02
•
Granted: 1961-11-28
•
Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 Thompson Arthur Herbert
- 👤 Littlewood Fred Wragg
- 👤 Marshall Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:30
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/02; C04B20/04; C04B20/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2209170A
Cited
US2670298A
Cited
US2430601A
Cited
US2630310A
Cited
US2469081A
Cited
US2543987A
Cited
US2572484A
Cited
US2619776A
Cited
US2676892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |