US2422235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book cover and case
Assignee: Individual
•
Filing: 1945-05-01
•
Granted: 1947-06-17
•
Expires: 1965-05-01
Abstract
No abstract record available.
Inventors
- 👤 Arch C Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:31
CPC Classifications
A; A45; A45C; A45C15/00; B; B42; B42D; B42D3/00; B42D3/04; B42D3/12; B42D3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1359320A
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US665256A
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US1023834A
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US1136598A
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US1492677A
Cited
US1591173A
Cited
US1895018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-16 | 1950-12-16 | 1951-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-16 | 1954-12-16 | 1955-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-16 | 1958-12-16 | 1959-06-17 | $7700.00 | Window Closed / Lapsed |