US2566957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tertiary-alkoxy chlorosilanes
Assignee: 3M Co
•
Filing: 1946-05-06
•
Granted: 1951-09-04
•
Expires: 1966-05-06
Abstract
No abstract record available.
Inventors
- 👤 Jr George Wesley Pedlow
- 👤 Jr Carl Shelley Miner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:26
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C07; C07F; C07F7/00; C07F7/02; C07F7/025; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31536
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
CHEMICAL COMPOUNDS HAVING THE MOLECULAR FORMULA:
Claim 2
Dependent Claim
6 words
CHEMICAL COMPOUNDS HAVING THE MOLECULAR FORMULA:
References Cited (Backward Citations)
CH160684A
Cited
US1918338A
Cited
US2150507A
Cited
US2197462A
Cited
US2381137A
Cited
US2398672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |