US2464624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: ARTHUR HANISCH
•
Filing: 1947-04-16
•
Granted: 1949-03-15
•
Expires: 1967-04-16
Abstract
No abstract record available.
Inventors
- 👤 Robert E Walliser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:52
CPC Classifications
D; D03; D03D; D03D27/00; D03D27/02; D03D27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US144077A
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US353937A
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US608226A
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US666270A
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US642740A
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US1023537A
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GB205130A
Cited
US1561282A
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US2353968A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |