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US2859463A
Expired / Lapsed
US
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Window cleaning implement
Assignee: Individual
•
Filing: 1956-02-13
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Granted: 1958-11-11
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Expires: 1976-02-13
Abstract
No abstract record available.
Inventors
- 👤 Hirsch Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:08
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/06; A47L1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1946321A
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US2285412A
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US2334796A
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US2625700A
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US2702915A
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US2707292A
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US2722701A
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US2747209A
Cited
US2741789A
Cited
US2741786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |