US2933759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for stretching plastic
Assignee: PPG Industries Inc
•
Filing: 1956-10-16
•
Granted: 1960-04-26
•
Expires: 1976-10-16
Abstract
No abstract record available.
Inventors
- 👤 Startzell Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:43
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10981; B29; B29C; B29C33/00; B29C33/44; B29C33/48; B29C33/485; B29C53/00; B29C53/02; B29C53/04; Y; Y10; Y10S; Y10S425/00; Y10S425/053
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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |