Patent US2496460A successfully refreshed from Google Patents.
US2496460A
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Pneumatic float
Assignee: Armstrong Rubber Co
•
Filing: 1946-08-10
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Granted: 1950-02-07
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Expires: 1966-08-10
Abstract
No abstract record available.
Inventors
- 👤 Evans Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:53
CPC Classifications
A; A47; A47C; A47C15/00; A47C15/004; A47C15/006; B; B63; B63B; B63B34/00; B63B34/50; B63B34/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US671502A
Cited
US1329687A
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US1555080A
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US1686366A
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US1891491A
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US2334072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |