Patent US2690628A successfully refreshed from Google Patents.
US2690628A
Expired / Lapsed
US
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Glass fiber drawing mechanism with means for accentuating strand discharge
Assignee: International Motors LLC
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Filing: 1951-05-11
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Granted: 1954-10-05
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Expires: 1971-05-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Courtney
- 👤 Adelbert C Radtke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:42
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/03; B; B65; B65H; B65H51/00; B65H51/14; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US461855A
Cited
US109430A
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GB189816297A
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US1092631A
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US1443514A
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US2067251A
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US2239863A
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US2348182A
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GB525283A
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US2335135A
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US2418873A
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US2448499A
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US2497511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |