US2905299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data recording device or devices and programming means therefor
Assignee: Underwood Corp
•
Filing: 1957-05-24
•
Granted: 1959-09-22
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Expires: 1977-05-24
Abstract
No abstract record available.
Inventors
- 👤 William J Hildebrandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:39
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2255011A
Cited
US2540030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |