Patent US851334A successfully refreshed from Google Patents.
US851334A
Expired / Lapsed
US
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Diaphragm-pump.
Assignee: AERO AND MARINE MOTOR Co
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Filing: 1905-07-17
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Granted: 1907-04-23
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Expires: 1925-07-17
Abstract
No abstract record available.
Inventors
- 👤 George John Altham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:07
CPC Classifications
F; F01; F01P; F01P5/00; F01P5/10; Y; Y10; Y10S; Y10S123/00; Y10S123/05
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) | 1910-04-22 | 1910-10-22 | 1911-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-04-22 | 1914-10-22 | 1915-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-04-22 | 1918-10-22 | 1919-04-23 | $7700.00 | Window Closed / Lapsed |