Patent US2309069A successfully refreshed from Google Patents.
US2309069A
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US
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Column adjuster for bookkeeping machines
Assignee: Individual
•
Filing: 1939-06-15
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Granted: 1943-01-19
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Expires: 1959-06-15
Abstract
No abstract record available.
Inventors
- 👤 Sobisch Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:22
CPC Classifications
B; B41; B41J; B41J25/00; B41J25/02; B41J25/18; G; G06; G06C; G06C21/00; G06C21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-01-18 | 1946-07-20 | 1947-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-18 | 1950-07-20 | 1951-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-18 | 1954-07-20 | 1955-01-19 | $7700.00 | Window Closed / Lapsed |