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US2700811A
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US
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Metal wool apparatus
Assignee: Individual
•
Filing: 1948-08-13
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Granted: 1955-02-01
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Expires: 1968-08-13
Abstract
No abstract record available.
Inventors
- 👤 Field Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:05
CPC Classifications
B; B23; B23P; B23P17/00; B23P17/04; B23P17/06; Y; Y10; Y10T; Y10T29/00; Y10T29/14; Y10T29/142; Y10T29/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US91267A
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US662392A
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US784515A
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FR362583A
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US1419472A
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US1598814A
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US1977053A
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US1886662A
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US1886664A
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US1976013A
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US1912964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |