Patent US2455349A successfully refreshed from Google Patents.
US2455349A
Expired / Lapsed
US
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Method of making textile units for fiber drafting
Assignee: Armstrong World Industries Inc
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Filing: 1943-04-17
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Granted: 1948-12-07
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Expires: 1963-04-17
Abstract
No abstract record available.
Inventors
- 👤 John W Baymiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:06
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/02; B29C63/04; B29C63/06; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29C70/205; B29D; B29D23/00; B29D99/00; B29D99/0032; B29D99/0035; B29K; B29K2021/00; B29L; B29L2023/00; B29L2023/22; B29L2031/00; B29L2031/32; B29L2031/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1396789A
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US1774984A
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US1878885A
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US1889904A
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US1828925A
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US2021983A
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US2253069A
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US2288391A
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US2377316A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |