Patent US2907997A successfully refreshed from Google Patents.
US2907997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic data conversion system
Assignee: Individual
•
Filing: 1957-01-24
•
Granted: 1959-10-06
•
Expires: 1977-01-24
Abstract
No abstract record available.
Inventors
- 👤 Corwin Jerome
- 👤 Morton F Roseman
- 👤 Santilli Alcide
- 👤 Stein Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:31
CPC Classifications
G; G06; G06K; G06K11/00; H; H03; H03M; H03M1/00; H03M1/12; H03M1/14; H03M1/16; H03M1/161
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1809070A
Cited
US1910556A
Cited
CH232782A
Cited
US2597866A
Cited
US2678254A
Cited
US2762038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |