US2666370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fourdrinier type machine for applying pulp insulation to wires
Assignee: AT&T Inc
•
Filing: 1948-08-20
•
Granted: 1954-01-19
•
Expires: 1968-08-20
Abstract
No abstract record available.
Inventors
- 👤 Benson F Bachus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:16
CPC Classifications
D; D21; D21F; D21F1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US921674A
Cited
US1073273A
Cited
US1870267A
Cited
US1814268A
Cited
US1881914A
Cited
US1973722A
Cited
US2154719A
Cited
US2286807A
Cited
US2416394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |