Patent US1007178A successfully refreshed from Google Patents.
US1007178A
Expired / Lapsed
US
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Pressure-ratio alarm.
Assignee: Individual
•
Filing: 1909-07-21
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Granted: 1911-10-31
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Expires: 1929-07-21
Abstract
No abstract record available.
Inventors
- 👤 Asa White Kenney Billings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:05
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/08; G01L19/12
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) | 1914-10-30 | 1915-05-01 | 1915-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-10-30 | 1919-05-01 | 1919-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-10-30 | 1923-05-01 | 1923-10-31 | $7700.00 | Window Closed / Lapsed |