US2603425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission apparatus
Assignee: Individual
•
Filing: 1947-05-27
•
Granted: 1952-07-15
•
Expires: 1967-05-27
Abstract
No abstract record available.
Inventors
- 👤 Louis J Barbara
- 👤 Marvin M Klein
- 👤 Howard Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:00
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/70; B65H54/74; G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19042
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US771861A
Cited
US1346357A
Cited
US1414941A
Cited
US1981370A
Cited
US2304971A
Cited
US2322014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |