US2566846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for insulating conductors
Assignee: AT&T Inc
•
Filing: 1949-03-30
•
Granted: 1951-09-04
•
Expires: 1969-03-30
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:20
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/14; B; B29; B29C; B29C48/00; B29C48/16; B29C48/18; B29C48/19; B29C48/20; B29C48/03; B29C48/05; B29C48/06; Y; Y10; Y10S; Y10S264/00; Y10S264/40; Y10T; Y10T29/00; Y10T29/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US798606A
Cited
GB191116542A
Cited
US1637207A
Cited
US2138378A
Cited
US2401550A
Cited
US2465656A
Cited
GB614800A
Cited
US2465482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |