US2966173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impregnated fibrous member
Assignee: McGraw Edison Co
•
Filing: 1957-08-21
•
Granted: 1960-12-27
•
Expires: 1977-08-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Matherne
- 👤 Ewing Lloyd
- 👤 Ewing Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:25
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/48; D; D21; D21H; D21H17/00; D21H17/61; H01B3/485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US684604A
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US1504805A
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US1678021A
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US2012969A
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US2016447A
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US2383066A
Cited
US2531156A
Cited
US2478439A
Cited
US2730462A
Cited
US2806076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |