US2973383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon carbamyl compounds and process for producing the same
Assignee: Union Carbide Corp
•
Filing: 1957-12-26
•
Granted: 1961-02-28
•
Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 William T Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:43
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AS A NEW COMPOSITION OF MATTER CARBAMYLALKYLSILICON COMPOUNDS SELECTED FROM THE CLASS CONSISTING OF (1) CARBAMYLALKYLSILANES OF THE FORMULA:
Claim 2
Dependent Claim
19 words
AS A NEW COMPOSITION OF MATTER CARBAMYLALKYLSILICON COMPOUNDS SELECTED FROM THE CLASS CONSISTING OF (1) CARBAMYLALKYLSILANES OF THE FORMULA:
References Cited (Backward Citations)
US2610198A
Cited
US2763675A
Cited
US2723987A
Cited
US2819245A
Cited
GB788984A
Cited
US2855381A
Cited
US2838423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |