US3039137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming plastic sheets
Assignee: American Biltrite Inc
•
Filing: 1958-02-10
•
Granted: 1962-06-19
•
Expires: 1978-02-10
Abstract
No abstract record available.
Inventors
- 👤 Merrill M Smith
- 👤 Thomas M Knowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:33
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29L; B29L2007/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |