US2711104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recorder-reproducer apparatus
Assignee: Webster Electric Co Inc
•
Filing: 1950-03-11
•
Granted: 1955-06-21
•
Expires: 1970-03-11
Abstract
No abstract record available.
Inventors
- 👤 George B Shields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:34
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B15/48; G11B15/02; G11B15/10; G11B15/26; G11B15/28; G11B15/29
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1882022A
Cited
US1879878A
Cited
US2260289A
Cited
US2260319A
Cited
US2221661A
Cited
US2392193A
Cited
US2438264A
Cited
US2529376A
Cited
US2491949A
Cited
US2490667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |