US3539480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resin compositions comprising polyvinyl chloride dispersion resin
Assignee: Watson Standard Co
•
Filing: 1968-06-18
•
Granted: 1970-11-10
•
Expires: 1988-06-18
Abstract
No abstract record available.
Inventors
- 👤 Charles H Groff
- 👤 Edward H Neuwirth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:26
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08K5/005; C08K5/04; C08K5/10; C08L61/00; C08L63/00; C08L67/00; C08L67/08; C08L91/00; C09; C09D; C09D167/00; C09D167/08; C08L61/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31688; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3122523A
Cited
US3137666A
Cited
US3075935A
Cited
US3183117A
Cited
US3117693A
Cited
US3231393A
Cited
US3305602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |