Patent US1107414A successfully refreshed from Google Patents.
US1107414A
Expired / Lapsed
US
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Diver's air pump.
Assignee: Individual
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Filing: —
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Granted: 1914-08-18
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Expires: 1931-08-18
Abstract
No abstract record available.
Inventors
- 👤 J F Deray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:32
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/236; B01F23/2361; B01F23/23611; F; F25; F25C; F25C1/00; F25C1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1917-08-17 | 1918-02-16 | 1918-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-08-17 | 1922-02-16 | 1922-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-08-17 | 1926-02-16 | 1926-08-18 | $7700.00 | Window Closed / Lapsed |