US2320510A
Expired / Lapsed
US
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Process of printing and article produced thereby
Assignee: Sylvania Industrial Corp
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Filing: 1939-01-07
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Granted: 1943-06-01
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Expires: 1959-01-07
Abstract
No abstract record available.
Inventors
- 👤 Ralph T K Cornwell
- 👤 Charles M Rosser
- 👤 John A Yourtee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:11
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/102; B; B41; B41M; B41M1/00; B41M1/26; B41M1/30; Y; Y10; Y10S; Y10S260/00; Y10S260/38; Y10T; Y10T428/00; Y10T428/13; Y10T428/1324; Y10T428/31504; Y10T428/31942; Y10T428/31949
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) | 1946-05-31 | 1946-11-30 | 1947-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-31 | 1950-11-30 | 1951-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-31 | 1954-11-30 | 1955-06-01 | $7700.00 | Window Closed / Lapsed |