Patent US2396946A successfully refreshed from Google Patents.
US2396946A
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Method and apparatus for applying thermoplastic material to sheets or webs
Assignee: Interchemical Corp
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Filing: 1939-08-18
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Granted: 1946-03-19
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Expires: 1959-08-18
Abstract
No abstract record available.
Inventors
- 👤 William F Grupe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; D21H23/58; D06; D06N; D06N3/00; D06N3/0086; D06N3/0088; D06Q; D06Q1/00; D21H25/00; D21H25/08; D21H5/00; D21H5/0005; D21H5/0025; D21H5/003; D21H5/0032; D21H5/006; D21H5/0062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-03-18 | 1949-09-17 | 1950-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-18 | 1953-09-17 | 1954-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-18 | 1957-09-17 | 1958-03-19 | $7700.00 | Window Closed / Lapsed |