Patent US3027596A successfully refreshed from Google Patents.
Patent US807568A successfully refreshed from Google Patents.
US807568A
Expired / Lapsed
US
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Pressure-gage.
Assignee: Individual
•
Filing: 1904-12-03
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Granted: 1905-12-19
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Expires: 1924-12-03
Abstract
No abstract record available.
Inventors
- 👤 William N Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:32
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; G01P1/11; H; H01; H01H; H01H35/00; H01H35/24
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) | 1908-12-18 | 1909-06-19 | 1909-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-12-18 | 1913-06-19 | 1913-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-12-18 | 1917-06-19 | 1917-12-19 | $7700.00 | Window Closed / Lapsed |