US3025660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawtwisting process
Assignee: Akzona Inc
•
Filing: 1958-01-13
•
Granted: 1962-03-20
•
Expires: 1978-01-13
Abstract
No abstract record available.
Inventors
- 👤 Gonsalves Victor Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:30
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1793704A
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US2336100A
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US2160010A
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US2256150A
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US2509741A
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US2464536A
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US2432564A
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US2728973A
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US2803108A
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US2854814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |