Patent US2464771A successfully refreshed from Google Patents.
US2464771A
Expired / Lapsed
US
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Apparatus for coating webs
Assignee: Interstate Folding Box Co
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Filing: 1946-04-09
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Granted: 1949-03-15
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Expires: 1966-04-09
Abstract
No abstract record available.
Inventors
- 👤 Louis J Van Guelpen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:25
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/0005; D21H5/0042; D21H23/00; D21H23/02; D21H23/22; D21H23/46
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) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |