US3518333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for continuously making pearlescent plastic sheeting
Assignee: Denton Plastic Products Corp
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Filing: 1967-05-15
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Granted: 1970-06-30
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Expires: 1987-05-15
Abstract
No abstract record available.
Inventors
- 👤 George R Adey
- 👤 Wilmer Souder Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:12
CPC Classifications
B; B29; B29C; B29C31/00; B29C31/04; B29C31/10; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/25; B29C48/88; B29C48/91; B29C48/911; B29C48/9135; B29K; B29K2105/00; B29K2105/06; B29K2105/16; B29K2995/00; B29K2995/0018; B29K2995/003
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) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |