US2558078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comparator for typewriting machine type
Assignee: Jones and Lamson Machine Co
•
Filing: 1946-08-20
•
Granted: 1951-06-26
•
Expires: 1966-08-20
Abstract
No abstract record available.
Inventors
- 👤 Leon B Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:48
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/04; G; G01; G01B; G01B9/00; G01B9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US505127A
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US1703933A
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US2031201A
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US2192529A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |