US2579417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammonolysis of organosilicon halides
Assignee: EDWIN L GUSTUS
•
Filing: 1947-08-07
•
Granted: 1951-12-18
•
Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Nicholas D Cheronis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:45
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/60; C08G77/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
THE METHOD OF AMMONOLYZING AN ORGANIC SILICON HALIDE OF THE FORMULA
Claim 2
Independent Claim
11 words
THE METHOD OF AMMONOLYZING AN ORGANIC SILICON HALIDE OF THE FORMULA
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) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |