US2778057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuously stretching plastic film
Assignee: Individual
•
Filing: 1953-04-02
•
Granted: 1957-01-22
•
Expires: 1973-04-02
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:02
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/20; B29C55/04; B29C55/08; Y; Y10; Y10S; Y10S264/00; Y10S264/73
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB400597A
Cited
US2334022A
Cited
US2320691A
Cited
US2429177A
Cited
US2297645A
Cited
US2483339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |