Patent US2870461A successfully refreshed from Google Patents.
US2870461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
rosenthal
Assignee: —
•
Filing: —
•
Granted: 1959-01-27
•
Expires: 1976-01-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:29
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/06; Y; Y10; Y10S; Y10S5/00; Y10S5/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR403410A
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FR495139A
Cited
US1524416A
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US1840677A
Cited
US1905119A
Cited
US2253024A
Cited
US2433012A
Cited
GB599108A
Cited
US2551089A
Cited
US2619768A
Cited
FR1067231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |