US2659934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making articles from biaxially oriented thermoplastic sheet material
Assignee: Plax Corp
•
Filing: 1951-03-30
•
Granted: 1953-11-24
•
Expires: 1971-03-30
Abstract
No abstract record available.
Inventors
- 👤 James Q Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:33
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0003; Y; Y10; Y10S; Y10S229/00; Y10S229/94; Y10S383/00; Y10S383/908
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |