US2704756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic derivatives of tetravalent tin and compositions containing the same
Assignee: ARGUS CHEMICAL LAB Inc
•
Filing: 1952-05-14
•
Granted: 1955-03-22
•
Expires: 1972-05-14
Abstract
No abstract record available.
Inventors
- 👤 William E Leistner
- 👤 Arthur C Hecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:20
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C08K5/58; C07; C07F; C07F7/00; C07F7/22; C07F7/226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
AS A NEW COMPOUND, A PRODUCT HAVING THE FORMULA
Claim 2
Dependent Claim
9 words
AS A NEW COMPOUND, A PRODUCT HAVING 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) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |