Patent US2864115A successfully refreshed from Google Patents.
US2864115A
Expired / Lapsed
US
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Floor cleaning implements in the nature of brooms
Assignee: MYRON E SCHWARTZ Inc
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Filing: 1954-07-09
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Granted: 1958-12-16
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Expires: 1974-07-09
Abstract
No abstract record available.
Inventors
- 👤 Richard H Champlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:29
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/11; A47L13/20; A47L13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1693413A
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GB443523A
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US2229147A
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US2260390A
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US2269424A
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US2336516A
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US2374782A
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US2753582A
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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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |