US2698334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arylhalosilanes
Assignee: Ellis Foster Co
•
Filing: 1945-03-27
•
Granted: 1954-12-28
•
Expires: 1965-03-27
Abstract
No abstract record available.
Inventors
- 👤 John B Rust
- 👤 Charles A Mackenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:01
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; Y; Y10; Y10S; Y10S162/00; Y10S162/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AN ORGANO-CHLOROSILANE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
AN ORGANO-CHLOROSILANE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2389477A
Cited
US2030739A
Cited
US2258218A
Cited
US2238669A
Cited
US2306222A
Cited
US2380998A
Cited
US2386259A
Cited
US2390378A
Cited
US2386452A
Cited
US2414505A
Cited
US2476529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |