US2393529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying coatings to web material
Assignee: DISTR OF COLUMBIA PAPER MILLS
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Filing: 1940-01-19
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Granted: 1946-01-22
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Expires: 1960-01-19
Abstract
No abstract record available.
Inventors
- 👤 Herman R Harrigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:42
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; D21H5/00; D21H5/0005; D21H5/0025; D21H5/003; Y; Y10; Y10S; Y10S118/00; Y10S118/15
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) | 1949-01-21 | 1949-07-23 | 1950-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-21 | 1953-07-23 | 1954-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-21 | 1957-07-23 | 1958-01-22 | $7700.00 | Window Closed / Lapsed |