Patent US2462447A successfully refreshed from Google Patents.
US2462447A
Expired / Lapsed
US
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Silk-screen printing apparatus
Assignee: Individual
•
Filing: 1946-05-17
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Granted: 1949-02-22
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Expires: 1966-05-17
Abstract
No abstract record available.
Inventors
- 👤 Wellborn Starnes Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:00
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/08; B41F15/0804; B41F15/0813; B41F15/0818
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US155879A
Cited
US215820A
Cited
GB124440A
Cited
US1586651A
Cited
US1843116A
Cited
GB425246A
Cited
US2207818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |