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US2932463A
Expired / Lapsed
US
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Roll paper dispensers
Assignee: ARNOLD B CHRISTIANSEN
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Filing: 1956-12-26
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Granted: 1960-04-12
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Expires: 1976-12-26
Abstract
No abstract record available.
Inventors
- 👤 Earl G Mau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:49
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/24; A47K10/32; A47K10/34; A47K10/38; A47K10/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2182831A
Cited
US2215052A
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US2146038A
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US2243686A
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US2540436A
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US2604285A
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US2767945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |