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US3525451A
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Assignee: ALGENTHIA AG GES fur ENTWICKLU
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Filing: 1968-04-08
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Granted: 1970-08-25
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Expires: 1988-04-08
Abstract
No abstract record available.
Inventors
- 👤 Johann Rudolf Asser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:34
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/52; B65D88/522; B65D88/524; B65D9/00; B65D9/12; B65D9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1091328A
Cited
US1185798A
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US1594140A
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US2278885A
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FR1000841A
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FR1075549A
Cited
US3223274A
Cited
NL6400555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |