US2624934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for heat treatment of filamentary material
Assignee: W M STEELE Co Inc
•
Filing: 1948-04-23
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Granted: 1953-01-13
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Expires: 1968-04-23
Abstract
No abstract record available.
Inventors
- 👤 Richard G Munson
- 👤 Pointe Gabriel M La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:42
CPC Classifications
D; D02; D02J; D02J13/00; D02J13/003; Y; Y10; Y10S; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US941721A
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US1052896A
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US1974453A
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US2263712A
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US2455173A
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US2464502A
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US2495053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |