US2626953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric organic tin compounds
Assignee: Advance Solvents and Chemical Corp
•
Filing: 1948-05-28
•
Granted: 1953-01-27
•
Expires: 1968-05-28
Abstract
No abstract record available.
Inventors
- 👤 Gerry P Mack
- 👤 Parker Emery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:35
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
POLYMERIC ORGANO-TIN COMPOUNDS HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
POLYMERIC ORGANO-TIN COMPOUNDS HAVING THE FORMULA
References Cited (Backward Citations)
US2267777A
Cited
US2481086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |