Patent US3248409A successfully refreshed from Google Patents.
US3248409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvalent metalx s salts of carboxy- alkyl polysiloxanes
Assignee: —
•
Filing: —
•
Granted: 1966-04-26
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Expires: 1983-04-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:10
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08L83/06; C08G; C08G77/00; C08G77/04; C08G77/14; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOSITION CORRESPONDING TO THE FORMULA,
Claim 2
Dependent Claim
6 words
A COMPOSITION CORRESPONDING TO THE FORMULA,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |