US2497798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing press having curved impression surface
Assignee: Chandler and Price Co
•
Filing: 1946-07-26
•
Granted: 1950-02-14
•
Expires: 1966-07-26
Abstract
No abstract record available.
Inventors
- 👤 Charles F Root
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:05
CPC Classifications
B; B41; B41F; B41F1/00; B41F1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US731790A
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US796707A
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US857721A
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US1034083A
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US1695271A
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US1474142A
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US1360063A
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US1477128A
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US2309645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |