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US2769583A
Expired / Lapsed
US
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Closure
Assignee: AH Wirz Inc
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Filing: 1954-05-12
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Granted: 1956-11-06
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Expires: 1974-05-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry S Darlington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:52
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/18; B65D47/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1714874A
Cited
US1891826A
Cited
US2392195A
Cited
FR952781A
Cited
US2601039A
Cited
US2670885A
Cited
US2625306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |