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US2960723A
Expired / Lapsed
US
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Glass fiber forming machine
Assignee: Individual
•
Filing: 1953-07-15
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Granted: 1960-11-22
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Expires: 1973-07-15
Abstract
No abstract record available.
Inventors
- 👤 Stark Howard John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:16
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US946179A
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US2255236A
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US2229489A
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US2392805A
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US2566252A
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US2621444A
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US2585496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |