Patent US3457205A successfully refreshed from Google Patents.
US3457205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for making coated expanded polystyrene foam
Assignee: Lakeside Plastics Corp
•
Filing: 1966-11-07
•
Granted: 1969-07-22
•
Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 Richard A Nonweiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:59
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/34; B; B29; B29C; B29C41/00; B29C41/02; B29C41/22; B29C44/00; B29C44/02; B29C44/04; B29C44/0423; B29C44/043; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C41/04; B29C41/06; C08J2325/00; C08J2325/02; C08J2325/04; C08J2325/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2894918A
Cited
US2945827A
Cited
US2945828A
Cited
GB903564A
Cited
US3175895A
Cited
US3309439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |