US2402903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating sheet materials
Assignee: H P SMITH PAPER Co
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Filing: 1944-09-27
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Granted: 1946-06-25
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Expires: 1964-09-27
Abstract
No abstract record available.
Inventors
- 👤 Peter J Massey
- 👤 Lothian M Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:27
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/30; D21H27/32; D21H27/34; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/048; D21H19/00; D21H19/10; D21H19/14; D21H19/18; C08J2491/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808; Y10T428/31826; Y10T428/31855
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) | 1949-06-24 | 1949-12-24 | 1950-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-06-24 | 1953-12-24 | 1954-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-06-24 | 1957-12-24 | 1958-06-25 | $7700.00 | Window Closed / Lapsed |