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US3220539A
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Assignee: A VRANAS
•
Filing: 1963-07-12
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Granted: 1965-11-30
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Expires: 1983-07-12
Abstract
No abstract record available.
Inventors
- 👤 Anagnos George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:01
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/08; B65G33/12; B65G2812/00; B65G2812/05; B65G2812/0505; B65G2812/0511; B65G2812/0527; B65G2812/0577; B65G2812/0583
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3053227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |