US2773638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mailing article
Assignee: Individual
•
Filing: 1947-11-28
•
Granted: 1956-12-11
•
Expires: 1967-11-28
Abstract
No abstract record available.
Inventors
- 👤 Henry R Krohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:07
CPC Classifications
B; B42; B42D; B42D15/00; B42D15/02; B42D15/04; B42D15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US127330A
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CH19350A
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GB190015215A
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US886449A
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US894124A
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CH46983A
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GB107877A
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US1344071A
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US1479280A
Cited
US1954971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |