Patent US4663448A successfully refreshed from Google Patents.
Patent US3103549A successfully refreshed from Google Patents.
US3103549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper insulated conductor
Assignee: —
•
Filing: —
•
Granted: 1963-09-10
•
Expires: 1980-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:19
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
AN ARTICLE WHICH COMPRISES AN ELECTRICAL CONDUCTOR INSULATED AT LEAST IN PART WITH A PAPER-LIKE SHEET OF NITROCELLULOSE CONTAINING ABOUT FROM 0.5 TO 6.0% BY WEIGHT OF NITROGEN.
Claim 2
Dependent Claim
28 words
AN ARTICLE WHICH COMPRISES AN ELECTRICAL CONDUCTOR INSULATED AT LEAST IN PART WITH A PAPER-LIKE SHEET OF NITROCELLULOSE CONTAINING ABOUT FROM 0.5 TO 6.0% BY WEIGHT OF NITROGEN.
References Cited (Backward Citations)
US1809011A
Cited
US2011914A
Cited
US1913416A
Cited
FR798858A
Cited
US2260343A
Cited
US2472591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |