Patent US2647296A successfully refreshed from Google Patents.
US2647296A
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US
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Method of manufacturing tubular insulation
Assignee: Federal Mogul Systems Protection Group Inc
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Filing: 1950-05-31
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Granted: 1953-08-04
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Expires: 1970-05-31
Abstract
No abstract record available.
Inventors
- 👤 Howard J Shive
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:55
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/18; D; D06; D06B; D06B3/00; D06B3/10; D06B3/105; H; H01; H01B; H01B13/00; H01B13/06; H01B13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2011398A
Cited
GB423547A
Cited
US2245708A
Cited
US2478940A
Cited
US2542064A
Cited
US2497045A
Cited
US2604688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |