Patent US2318803A successfully refreshed from Google Patents.
US2318803A
Expired / Lapsed
US
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Marking composition
Assignee: Stoner-Mudge Inc
•
Filing: 1942-03-18
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Granted: 1943-05-11
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Expires: 1962-03-18
Abstract
No abstract record available.
Inventors
- 👤 Wallace K Schneider
- 👤 George W Seagren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:07
CPC Classifications
C; C09; C09D; C09D13/00; C23; C23D; C23D5/00
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) | 1946-05-10 | 1946-11-09 | 1947-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-10 | 1950-11-09 | 1951-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-10 | 1954-11-09 | 1955-05-11 | $7700.00 | Window Closed / Lapsed |