US3549307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of thermally stable shaped articles with halides and oxy-halides of groups iv,v,and vi elements
Assignee: Monsanto Co
•
Filing: 1967-10-12
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Granted: 1970-12-22
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Expires: 1987-10-12
Abstract
No abstract record available.
Inventors
- 👤 Stephen S Hirsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:46
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; D; D01; D01F; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/20; D01F9/24; D01F9/28; D01F9/30; D06; D06M; D06M11/00; D06M11/07; D06M11/11; D06M11/20; D06M11/51; D06M11/52; D06M11/68; D06M11/69; D06M11/73; D06M11/75; D06M13/00; D06M13/10; D06M13/184; D06M13/192; D06M13/207; D06M13/21; D06M13/224; D06M13/236; C08J2377/00; C08J2377/10; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3025185A
Cited
US3022190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |