US2881416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for converting analogue information into digital information
Assignee: Arthur D Little Inc
•
Filing: 1952-09-04
•
Granted: 1959-04-07
•
Expires: 1972-09-04
Abstract
No abstract record available.
Inventors
- 👤 James C Hosken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:01
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/48
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2494441A
Cited
US2680241A
Cited
US2545331A
Cited
US2635195A
Cited
US2730698A
Cited
US2624848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |