Patent US2578112A successfully refreshed from Google Patents.
US2578112A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1946-08-28
•
Granted: 1951-12-11
•
Expires: 1966-08-28
Abstract
No abstract record available.
Inventors
- 👤 Vaughn Charles Clifton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:26
CPC Classifications
B; B43; B43K; B43K23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US160666A
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US476937A
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US1057586A
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GB191509945A
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US1478961A
Cited
US1603422A
Cited
US1723276A
Cited
US1992578A
Cited
US2321360A
Cited
US2322135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |