US3051989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for extruding tubular plastic products
Assignee: Plastic Textile Accessories Ltd
•
Filing: 1960-03-01
•
Granted: 1962-09-04
•
Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Mercer Frank Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:42
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/33; B29C48/03; B29C48/09; B29C48/10; B29C48/12; B29C48/13
Claims Analysis
Total Claims: 0
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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) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |