US2567307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System and apparatus involving optical scanning
Assignee: Western Union Telegraph Co
•
Filing: 1946-06-12
•
Granted: 1951-09-11
•
Expires: 1966-06-12
Abstract
No abstract record available.
Inventors
- 👤 Raleigh J Wise
- 👤 Garvice H Ridings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:26
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/0607; H04N1/0621; H04N1/0635; H04N1/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US400599A
Cited
US1370669A
Cited
US1719392A
Cited
US1800031A
Cited
US1792264A
Cited
US1876931A
Cited
US1912708A
Cited
US1905153A
Cited
US1925814A
Cited
US1877566A
Cited
US2044831A
Cited
US1973406A
Cited
US2076220A
Cited
US2153858A
Cited
US2209719A
Cited
US2196730A
Cited
US2300809A
Cited
US2356058A
Cited
US2279295A
Cited
US2312626A
Cited
US2319489A
Cited
US2365741A
Cited
US2435260A
Cited
US2402965A
Cited
US2394577A
Cited
US2394649A
Cited
US2397553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |