Patent US2880457A successfully refreshed from Google Patents.
US2880457A
Expired / Lapsed
US
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Apparatus for drawing fine threads of fibers of glass or the like
Assignee: Individual
•
Filing: 1955-05-12
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Granted: 1959-04-07
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Expires: 1975-05-12
Abstract
No abstract record available.
Inventors
- 👤 Schuller Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:51
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/03; B; B65; B65H; B65H54/00; B65H54/86; B65H54/88; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2121802A
Cited
US2173789A
Cited
US2269459A
Cited
US2526775A
Cited
GB669668A
Cited
US2535561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |