US2867003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for casting plastic sheets
Assignee: Sierracin Corp
•
Filing: 1956-02-13
•
Granted: 1959-01-06
•
Expires: 1976-02-13
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Stiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:50
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10899; B32B17/10908; B32B17/10917; B29; B29C; B29C33/00; B29C33/20; B29C33/202; B29C39/00; B29C39/003; B29C39/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1768345A
Cited
US1233223A
Cited
US1391828A
Cited
FR939646A
Cited
DE824677C
Cited
US2687555A
Cited
US2704265A
Cited
US2668328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |