US3472129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: GEORGE A ALEXANDROU
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Filing: 1965-10-11
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Granted: 1969-10-14
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Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 George A Alexandrou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:33
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/812; B31B70/8123; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/104; B31B70/813; B31B70/8134; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3259031A
Cited
US3371007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |