Patent US3920028A successfully refreshed from Google Patents.
Patent US3530100A successfully refreshed from Google Patents.
US3530100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crosslinking polymers
Assignee: PPG Industries Inc
•
Filing: 1966-09-26
•
Granted: 1970-09-22
•
Expires: 1986-09-26
Abstract
No abstract record available.
Inventors
- 👤 Gaetano F D Alelio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:42
CPC Classifications
C; C08; C08L; C08L63/00; C08L63/10; C08F; C08F299/00; C08F299/02; C08F299/026; C08F299/028; C08F299/06; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/6705; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/3209; C08L67/00; C08L67/06; Y; Y10; Y10S; Y10S525/00; Y10S525/904
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |